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uname
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<h2 id="history">History</h2> <p>The uname system call and command appeared for the first time in <a href="/facts/PWB/UNIX/jXR0LT4j">PWB/UNIX</a>. Both are specified by <a href="/facts/POSIX/mQkSt234">POSIX</a>.<a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a><a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a> The <a href="/facts/GNU/HlAKKBdt">GNU</a> version of uname is included in the "sh-utils" or "coreutils" packages. uname itself is not available as a standalone program. The version of uname bundled in GNU coreutils was written by David MacKenzie.<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> The command is available as a separate package for <a href="/facts/Microsoft_Windows/bwhAhuSL">Microsoft Windows</a> as part of the <a href="/facts/GnuWin32/tHohzouq">GnuWin32</a> project<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> and the <a href="/facts/UnxUtils/CsUBGmUM">UnxUtils</a> collection of <a href="/facts/Native_(computing)/yNez4jAK">native</a> <a href="/facts/Windows_API/RRw4RtTu">Win32</a> <a href="/facts/Porting/7s6tFs8B">ports</a> of common GNU Unix-like utilities.<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> </p> <h2 id="related-and-similar-commands">Related and similar commands</h2> <ul><li>Some Unix variants, such as <a href="/facts/AT%26T_Corporation/BfsX7eX2">AT&T</a> <a href="/facts/UNIX_System_V/Epm6GEY4">UNIX System V</a> Release 3.0, include the related setname program, used to change the values that uname reports.</li> <li>The <a href="/facts/Ver_(command)/x3Pz6hw2">ver</a> command found in operating systems such as <a href="/facts/DOS/sWwDXNmX">DOS</a>, <a href="/facts/OS/2/uVBl6ItP">OS/2</a> and <a href="/facts/Microsoft_Windows/bwhAhuSL">Microsoft Windows</a> is similar to the uname command.</li> <li>The <a href="/facts/Bash_(Unix_shell)/RrYLtEJT">bash</a> shell provides the special variables OSTYPE and HOSTTYPE whose values are similar to those of uname -o and uname -m respectively.</li></ul> <h2 id="examples">Examples</h2> <p>On a system running <a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a>, the output from running uname with the -a <a href="/facts/Command-line_argument/R9JpGmXQ">command-line argument</a> might look like the text below: </p> $ uname -a Darwin Roadrunner.local 10.3.0 Darwin Kernel Version 10.3.0: Fri Feb 26 11:58:09 PST 2010; root:xnu-1504.3.12~1/RELEASE_I386 i386 <p>The following table contains examples from various versions of uname on various platforms.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> </p> <table><tbody><tr><th>Distribution</th><th>System (or kernel) (-s)POSIX</th><th>Operating System (or distribution) (-o)</th><th>Machine (-m)POSIX</th><th>Processor (-p)</th><th>Hardware platform (-i or -M)</th><th>OS (kernel) version (-v)POSIX</th><th>OS (kernel) release (-r)POSIX</th></tr><tr><td><a href="/facts/Android_(operating_system)/nNyHb0xz">Android</a> 4.2.1 on <a href="/facts/Nexus_4/KdzWhny9">Nexus 4</a></td><td>Linux</td><td>GNU/Linux</td><td>armv7l</td><td>Unknown</td><td>Unknown</td><td>#1 SMP PREEMPT Thu Nov 8 15:42:02 PST 2012</td><td>3.4.0-perf-ge039dcb</td></tr><tr><td><a href="/facts/Android_(operating_system)/nNyHb0xz">Android</a> 2.3 on Meteorit netbook</td><td>Linux</td><td>GNU/Linux</td><td>armv6l</td><td>Unknown</td><td>Unknown</td><td></td><td></td></tr><tr><td>any, coreutils 7.1</td><td><a href="/facts/Linux/9FvCKSTq">Linux</a></td><td>GNU/Linux</td><td>sparc64</td><td>sparc64</td><td><a href="/facts/UltraSPARC_T1/mfxg7MjI">UltraSPARC T1</a> (Niagara)</td><td>(all)</td><td>(all)</td></tr><tr><td>any, coreutils 7.1–8.4</td><td><a href="/facts/Linux/9FvCKSTq">Linux</a></td><td>GNU/Linux</td><td>ppc64</td><td>ppc64</td><td><a href="/facts/PowerPC_970/nRyX1JxX">PPC 970FX</a> (<a href="/facts/XServe/QHnJJtIB">XServe G5</a>)</td><td>(all)</td><td>(all)</td></tr><tr><td><a href="/facts/Arch_Linux/MTFCkLqH">Arch Linux</a></td><td><a href="/facts/Linux/9FvCKSTq">Linux</a></td><td>GNU/Linux</td><td>x86_64</td><td>Unknown</td><td>Unknown</td><td>#1 SMP PREEMPT_DYNAMIC Tue, 04 Oct 2022 19:16:52 +0000</td><td>6.0.0-arch1-1</td></tr><tr><td>A/UX 3.1</td><td>A/UX</td><td>illegal option</td><td>mc68030</td><td>illegal option</td><td>illegal option</td><td>SVR2</td><td>3.1</td></tr><tr><td><a href="/facts/BusyBox/CRv85u7S">busybox-w32</a> 1.27 (32-bit) on Windows 10</td><td>Windows_NT</td><td>MS/Windows</td><td>i686</td><td>Unknown</td><td>Unknown</td><td>9200</td><td>6.2</td></tr><tr><td><a href="/facts/BusyBox/CRv85u7S">busybox-w32</a> 1.27 (64-bit) on Wine 2.0</td><td>Windows_NT</td><td>MS/Windows</td><td>x86_64</td><td>Unknown</td><td>Unknown</td><td>3790</td><td>5.2</td></tr><tr><td><a href="/facts/CentOS/FGGc2cIx">CentOS</a> 6.5, Pentium SU4100</td><td><a href="/facts/Linux/9FvCKSTq">Linux</a></td><td>GNU/Linux</td><td>i686</td><td>i686</td><td>i386</td><td>#1 SMP Fri Nov 22 00:26:36 UTC 2013</td><td>2.6.32-431.el6.i686</td></tr><tr><td><a href="/facts/Cray/coAlupuy">Cray</a> <a href="/facts/UNICOS/mwPQANKw">UNICOS</a> 9.0.2.2</td><td>sn5176</td><td>illegal option</td><td>CRAY Y-MP</td><td>illegal option</td><td>illegal option</td><td>sin.0</td><td>9.0.2.2</td></tr><tr><td><a href="/facts/Cygwin/0ANCmAgH">Cygwin</a> (Windows XP), Pentium 4</td><td>CYGWIN_NT-5.1</td><td>Cygwin</td><td>i686</td><td>Unknown</td><td>Unknown</td><td>2006-01-20 13:28</td><td>1.5.19(0.150/4/2)</td></tr><tr><td><a href="/facts/Cygwin/0ANCmAgH">Cygwin</a> 1.7 (Windows 7 32-bit), Core i7</td><td>CYGWIN_NT-6.1</td><td>Cygwin</td><td>i686</td><td>Unknown</td><td>Unknown</td><td>2012-07-20 22:55</td><td>1.7.16(0.262/5/3)</td></tr><tr><td><a href="/facts/Cygwin/0ANCmAgH">Cygwin</a> 1.7 (Windows 7 64-bit), Core i7</td><td>CYGWIN_NT-6.1-WOW64</td><td>Cygwin</td><td>i686</td><td>Unknown</td><td>Unknown</td><td>2012-05-09 10:25</td><td>1.7.15(0.260/5/3)</td></tr><tr><td><a href="/facts/Cygwin/0ANCmAgH">Cygwin</a> 1.7 64 bit (Windows 7 64-bit)</td><td>CYGWIN_NT-6.1</td><td>Cygwin</td><td>x86_64</td><td>Unknown</td><td>Unknown</td><td>2014-02-09 21:06</td><td>1.7.28(0.271/5/3)</td></tr><tr><td><a href="/facts/Cygwin/0ANCmAgH">Cygwin</a> 2.2 64 bit (Windows 10 64-bit)</td><td>CYGWIN_NT-10.0</td><td>Cygwin</td><td>x86_64</td><td>Unknown</td><td>Unknown</td><td>2015-08-20 11:42</td><td>2.2.1(0.289/5/3)</td></tr><tr><td><a href="/facts/DJGPP/zHYBJkCl">DJGPP</a> v2 32 bit (Windows Server 2008)</td><td>MS-DOS</td><td>illegal option</td><td>i686</td><td>illegal option</td><td>illegal option</td><td>50</td><td>5</td></tr><tr><td>Debian 6.0.5 on <a href="/facts/Raspberry_Pi/Ie6Lx9n5">Raspberry Pi</a> B</td><td>Linux</td><td>GNU/Linux</td><td>armv6l</td><td>Unknown</td><td>unknown (-i) invalid (-M)</td><td>#90 Wed Apr 18 18:23:05 BST 2012 / #538 PREEMPT Fri Aug 30 20:42:08 BST 2013</td><td>3.1.9+ / 3.6.11+</td></tr><tr><td>Debian on <a href="/facts/Western_Digital_My_Book/DLqkEytU">WD MyBookLive</a></td><td>Linux</td><td>GNU/Linux</td><td>ppc</td><td>Unknown</td><td>unknown (-i) invalid (-M)</td><td>#1 Fri Oct 15 17:13:23 PDT 2010</td><td>2.6.32.11-svn21605</td></tr><tr><td>Debian GNU/<a href="/facts/GNU_Hurd/LU1mHe5M">Hurd</a></td><td>GNU</td><td>GNU</td><td>i686-AT386</td><td>Unknown</td><td>unknown (-i) illegal option (-M)</td><td>GNU-Mach 1.3.99-486/Hurd-0.3</td><td>0.3</td></tr><tr><td><a href="/facts/Debian_GNU/kFreeBSD/cBd93qfJ">Debian GNU/kFreeBSD</a> 6.0, AMD</td><td>GNU/kFreeBSD</td><td>GNU/kFreeBSD</td><td>x86_64</td><td>amd64</td><td>AMD Sempron(tm) Processor 3000+</td><td>#0 Thu Nov 26 04:22:59 CET 2009</td><td>8.0-1-amd64</td></tr><tr><td><a href="/facts/DragonFlyBSD/U6cvpDJR">DragonFlyBSD</a></td><td>DragonFly</td><td>illegal option</td><td>i386</td><td>i386</td><td>GENERIC</td><td>DragonFly v2.13.0.749.g93fef-DEVELOPMENT #0: …</td><td>2.13-DEVELOPMENT</td></tr><tr><td><a href="/facts/DragonFlyBSD/U6cvpDJR">DragonFlyBSD</a> 2.7, AMD64</td><td>DragonFly</td><td>illegal option</td><td>x86_64</td><td>x86_64</td><td>[filename of kernel conf file]</td><td>DragonFly v2.7.3.122.g0ba92-DEVELOPMENT #0: Tue June 8 16:50:35 CEST 2010</td><td>2.7-DEVELOPMENT root@Chance.: /usr/obj/usr/src/sys/X86_64_GENERIC</td></tr><tr><td><a href="/facts/Fedora_(operating_system)/LJ2ocge5">Fedora</a> 19</td><td>Linux</td><td>GNU/Linux</td><td>i686</td><td>i686</td><td>i386</td><td>#1 SMP Fri Mar 7 17:22:54 UTC 2014</td><td>3.13.6-100.fc19.i686</td></tr><tr><td><a href="/facts/FreeBSD/RKsFTm7F">FreeBSD</a> 6.1, Intel</td><td>FreeBSD</td><td>illegal option</td><td>i386</td><td>i386</td><td>[kernel name from kernel conf file. i.e.: GENERIC]</td><td>FreeBSD 6.1-RELEASE-p15 #1: Sun Apr 15 18:04:51 EDT 2007</td><td>6.1-RELEASE-p15</td></tr><tr><td><a href="/facts/FreeBSD/RKsFTm7F">FreeBSD</a> 9.0, Intel</td><td>FreeBSD</td><td>FreeBSD</td><td>amd64</td><td>amd64</td><td>[kernel name from kernel conf file. i.e.: GENERIC]</td><td>FreeBSD 9.0-RELEASE #0: Tue Jan 3 07:46:30 UTC 2012 root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC</td><td>9.0-RELEASE</td></tr><tr><td><a href="/facts/Gentoo_Linux/zX81Cqs8">Gentoo</a>, <a href="/facts/UltraSPARC_II/Ybc8XHS3">UltraSparc IIe</a></td><td><a href="/facts/Linux/9FvCKSTq">Linux</a></td><td>GNU/Linux</td><td>sparc64</td><td>sun4u</td><td>TI UltraSparc IIe (Hummingbird)</td><td>#1 SMP Wed Nov 10 02:04:26 CET 2010</td><td>2.6.34-gentoo-r12</td></tr><tr><td><a href="/facts/Haiku_(operating_system)/0urtHJxC">Haiku</a> R1/Alpha 1, QEMU</td><td><a href="/facts/Haiku_(operating_system)/0urtHJxC">Haiku</a></td><td>Haiku</td><td>BePC</td><td>Unknown</td><td>Unknown</td><td>r33109 Sep 12 2009 17:45:45</td><td>1</td></tr><tr><td><a href="/facts/Hpux/hIvLDdJF">HP-UX</a></td><td>HP-UX</td><td>illegal option</td><td>9000/712</td><td>illegal option</td><td>[Unique machine ID number or node name if cannot be determined.]</td><td>U</td><td>B.11.11</td></tr><tr><td><a href="/facts/Hpux/hIvLDdJF">HP-UX</a> 11i v3</td><td>HP-UX</td><td>illegal option</td><td>ia64</td><td>illegal option</td><td>[Unique machine ID number or node name if cannot be determined.]</td><td>U</td><td>B.11.31</td></tr><tr><td><a href="/facts/GNU_Hurd/LU1mHe5M">GNU Hurd</a></td><td>GNU</td><td>GNU</td><td>i686-AT386</td><td>unknown</td><td>unknown</td><td>GNU-Mach 1.8+git20190109-486/Hurd-0.9</td><td>0.9</td></tr><tr><td><a href="/facts/IBM_AIX/cRWERua2">IBM AIX</a> PS/2 v1.3</td><td>AIX</td><td>illegal option</td><td>i386</td><td>illegal option</td><td>illegal option</td><td>1</td><td>3.0</td></tr><tr><td><a href="/facts/IBM_AIX/cRWERua2">IBM AIX</a> 5.3</td><td>AIX</td><td>illegal option</td><td><i>(serial number of machine)</i></td><td>powerpc</td><td>IBM,8205-E6B</td><td>5</td><td>3</td></tr><tr><td><a href="/facts/IBM_AIX/cRWERua2">IBM AIX</a> 7.1</td><td>AIX</td><td>illegal option</td><td><i>(serial number of machine)</i></td><td>powerpc</td><td>IBM,7891-73X</td><td>7</td><td>1</td></tr><tr><td><a href="/facts/IBM_AIX/cRWERua2">IBM AIX</a> 7.2</td><td>AIX</td><td>illegal option</td><td><i>(serial number of machine)</i></td><td>powerpc</td><td>IBM,9009-42A</td><td>7</td><td>2</td></tr><tr><td><a href="/facts/IBM_i/lsIRAUvn">IBM i</a> 5.3 with QSH</td><td>OS400</td><td><i>(hostname)</i></td><td><i>(serial number of machine)</i></td><td>Unknown</td><td>Unknown</td><td>5</td><td>3</td></tr><tr><td><a href="/facts/IBM_i/lsIRAUvn">IBM i</a> 6.1 with QSH</td><td>OS400</td><td><i>(hostname)</i></td><td><i>(serial number of machine)</i></td><td>Unknown</td><td>Unknown</td><td>6</td><td>1</td></tr><tr><td><a href="/facts/IBM_i/lsIRAUvn">IBM i</a> 7.1 with QSH</td><td>OS400</td><td><i>(hostname)</i></td><td><i>(serial number of machine)</i></td><td>Unknown</td><td>Unknown</td><td>7</td><td>1</td></tr><tr><td><a href="/facts/Interix/aHJ5LEu8">Interix</a> (<a href="/facts/Windows_Services_for_UNIX/GnDjKTeh">Windows Services for UNIX</a>) 3.5</td><td>Interix</td><td>illegal option</td><td>x86</td><td>Intel_x86_Family6_Model28_Stepping10</td><td>illegal option</td><td>10.0.7063.0</td><td>6.1</td></tr><tr><td><a href="/facts/Interix/aHJ5LEu8">Interix</a>, Subsystem for Unix-based Applications (SUA), AMD64 6.1 (Windows 2008 R2)</td><td>Interix</td><td>-</td><td>genuineintel</td><td>Intel64_Family_6_Model_26_Stepping_4</td><td>-</td><td>10.0.7063.0</td><td>6.1</td></tr><tr><td><a href="/facts/IRIX/vK9rSatM">IRIX</a></td><td>IRIX</td><td>illegal option</td><td>IP22</td><td>mips</td><td>illegal option</td><td></td><td></td></tr><tr><td><a href="/facts/IRIX/vK9rSatM">IRIX</a> 6.5.30, Origin 2000</td><td>IRIX64</td><td>illegal option</td><td>IP30<p>IP35</p></td><td>mips</td><td>illegal option</td><td>07202013</td><td>6.5</td></tr><tr><td><a href="/facts/Linux_Mint/PDwNIUfT">Linux Mint</a> 10 "Julia" 64-bit</td><td><a href="/facts/Linux/9FvCKSTq">Linux</a></td><td>GNU/Linux</td><td>x86_64</td><td>Unknown</td><td>Unknown</td><td>#33-Ubuntu SMP Sun Sep 19 20:32:27 UTC 2010</td><td>2.6.35-22-generic</td></tr><tr><td><a href="/facts/Linux/9FvCKSTq">Linux</a> on <a href="/facts/Intel_MIC/Fv5dhyKc">Xeon Phi</a></td><td>Linux</td><td>GNU/Linux</td><td>k1om</td><td>k1om</td><td>k1om</td><td>#2 SMP Fri Jun 21 13:43:31 EDT 2013</td><td>2.6.38.8-g2593b11</td></tr><tr><td><a href="/facts/Mac_OS_X_Panther/lDrnzKAe">Mac OS X Panther</a> 10.3, PowerBook G4 (2004)</td><td><a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a></td><td>illegal option</td><td>Power Macintosh</td><td>powerpc</td><td>illegal option</td><td>Darwin Kernel Version 7.8.0: Wed Dec 22 14:26:17 PST 2004; root:xnu/xnu-517.11.1.obj~1/RELEASE_PPC</td><td>7.8.0</td></tr><tr><td><a href="/facts/Mac_OS_X_Snow_Leopard/GGNogRTe">Mac OS X Snow Leopard</a> 10.6, MacBook3,1 (Late 2007)</td><td><a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a></td><td>illegal option</td><td>i386</td><td>i386</td><td>illegal option</td><td>Darwin Kernel Version 10.0.0: Fri Jul 31 22:47:34 PDT 2009; root:xnu-1456.1.25~1/RELEASE_I386</td><td>10.0.0</td></tr><tr><td><a href="/facts/Mac_OS_X_Lion/CHyxXg8X">Mac OS X Lion</a> 10.7.3 build 11D50, MacbookPro7,1 (Late 2010)</td><td><a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a></td><td>illegal option</td><td>x86_64</td><td>i386</td><td>illegal option</td><td>Darwin Kernel Version 11.3.0: Thu Jan 12 18:47:41 PST 2012; root:xnu-1699.24.23~1/RELEASE_X86_64</td><td>11.3.0</td></tr><tr><td><a href="/facts/OS_X_Mountain_Lion/GIu66667">OS X Mountain Lion</a> 10.8.3 build 12D78, MacbookPro10,1 (Mid 2012)</td><td><a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a></td><td>illegal option</td><td>x86_64</td><td>i386</td><td>illegal option</td><td>Darwin Kernel Version 12.3.0: Sun Jan 6 22:37:10 PST 2013; root:xnu-2050.22.13~1/RELEASE_X86_64</td><td>12.3.0</td></tr><tr><td><a href="/facts/OS_X_Mavericks/5xavJXqv">OS X Mavericks</a> 10.9 build 13A598, MacbookPro5,1 (Mid 2009)</td><td><a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a></td><td>illegal option</td><td>x86_64</td><td>i386</td><td>illegal option</td><td>Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT 2013; root:xnu-2422.1.72~6/RELEASE_X86_64</td><td>13.0.0</td></tr><tr><td><a href="/facts/OS_X_Yosemite/nUzgd9Il">OS X Yosemite</a> 10.10 build 14A298i, MacbookPro6,2 (Mid 2010)</td><td><a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a></td><td>illegal option</td><td>x86_64</td><td>i386</td><td>illegal option</td><td>Darwin Kernel Version 14.0.0: Tue Jul 15 23:56:31 PDT 2014; root:xnu-2782.1.43.0.2~1/RELEASE_X86_64</td><td>14.0.0</td></tr><tr><td><a href="/facts/OS_X_El_Capitan/4NAIbG7c">OS X El Capitan</a> 10.11 build 15A284, MacBookPro10,1 (Mid 2012)</td><td><a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a></td><td>illegal option</td><td>x86_64</td><td>i386</td><td>illegal option</td><td>Darwin Kernel Version 15.0.0: Sat Sep 19 15:53:46 PDT 2015; root:xnu-3247.10.11~1/RELEASE_X86_64</td><td>15.0.0</td></tr><tr><td><a href="/facts/MacOS_Sierra/jV5ocHbo">macOS Sierra</a> 10.12 build 16E195, MacBookPro12,1 (Early 2015)</td><td><a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a></td><td>illegal option</td><td>x86_64</td><td>i386</td><td>illegal option</td><td>Darwin Kernel Version 16.5.0: Fri Mar 3 16:52:33 PST 2017; root:xnu-3789.51.2~3/RELEASE_X86_64</td><td>16.5.0</td></tr><tr><td><a href="/facts/MacOS_High_Sierra/RXfrv9pf">macOS High Sierra</a> 10.13.3 build 17D47, MacBookPro12,1 (Early 2015)</td><td><a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a></td><td>illegal option</td><td>x86_64</td><td>i386</td><td>illegal option</td><td>Darwin Kernel Version 17.4.0: Sun Dec 17 09:19:54 PST 2017; root:xnu-4570.41.2~1/RELEASE_X86_64</td><td>17.4.0</td></tr><tr><td><a href="/facts/MacOS_Mojave/QCehr08a">macOS Mojave</a> 10.14.3 build 18D109</td><td><a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a></td><td>illegal option</td><td>x86_64</td><td>i386</td><td>illegal option</td><td>Darwin Kernel Version 18.2.0: Thu Dec 20 20:46:53 PST 2018; root:xnu-4903.241.1~1/RELEASE_X86_64</td><td>18.2.0</td></tr><tr><td><a href="/facts/MacOS_Catalina/B2RE5fGd">macOS Catalina</a> 10.15.5 build 19F101</td><td><a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a></td><td>Darwin</td><td>x86_64</td><td>i386</td><td>MacBookPro15.1</td><td>Darwin Kernel Version 19.5.0: Tue May 26 20:41:44 PDT 2020; root:xnu-6153.121.2~2/RELEASE_X86_64</td><td>19.5.0</td></tr><tr><td><a href="/facts/MacOS_Big_Sur/RV8pCK4d">macOS Big Sur</a> 11.0.1 build 20B29 on Apple M1</td><td><a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a></td><td>illegal option</td><td>arm64</td><td>arm</td><td>illegal option</td><td>Darwin Kernel Version 20.1.0: Sat Oct 31 00:07:10 PDT 2020; root:xnu-7195.50.7~2/RELEASE_ARM64_T8101</td><td>20.1.0</td></tr><tr><td><a href="/facts/MacOS_Monterey/cwXg0zIR">macOS Monterey</a> 12.2.1 build 21D62<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> on Apple M1</td><td><a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a></td><td>illegal option</td><td>arm64</td><td>arm</td><td>illegal option</td><td>Darwin Kernel Version 21.3.0: Wed Jan 5 21:37:58 PST 2022; root:xnu-8019.80.24~20/RELEASE_ARM64_T8101</td><td>21.3.0</td></tr><tr><td><a href="/facts/Manjaro_Linux/TMWFCEd2">Manjaro Linux</a> 0.8.11 64 bit</td><td><a href="/facts/Linux/9FvCKSTq">Linux</a></td><td>GNU/Linux</td><td>x86_64</td><td>Unknown</td><td>Unknown</td><td>#1 SMP PREEMPT Sat Nov 15 10:54:42 UTC 2014</td><td>3.17.3-1-MANJARO</td></tr><tr><td><a href="/facts/MidnightBSD/lsF6ywBg">MidnightBSD</a> 1.0, Intel</td><td>MidnightBSD</td><td>MidnightBSD</td><td>amd64</td><td>amd64</td><td>[kernel name from kernel conf file. i.e.: GENERIC]</td><td>MidnightBSD 1.0 #5 r11989M: Sat Aug 11 13:20:45 EDT 2018 root@stargazer.midnightbsd.org:/usr/obj/usr/src/sys/GENERIC</td><td>1.0</td></tr><tr><td><a href="/facts/MINIX_3/vnerKq0a">MINIX</a> 3.1.7, x86</td><td>Minix</td><td>illegal option</td><td>i686</td><td>i386</td><td>illegal option</td><td>1.7</td><td>3</td></tr><tr><td><a href="/facts/MinGW/t0kRm9Xe">MinGW</a> 32 bit (Windows 7)</td><td>MINGW32_NT-6.1</td><td>Msys</td><td>i686</td><td>Unknown</td><td>Unknown</td><td>2018-11-26 09:22</td><td>2.11.2(0.329/5/3)</td></tr><tr><td><a href="/facts/MinGW/t0kRm9Xe">MinGW</a> 64 bit (Windows 7)</td><td>MINGW64_NT-6.1</td><td>Msys</td><td>x86_64</td><td>Unknown</td><td>Unknown</td><td>2018-11-26 09:22</td><td>2.11.2(0.329/5/3)</td></tr><tr><td><a href="/facts/MSYS/t0kRm9Xe">MSYS</a> 32 bit (Windows 7)</td><td>MSYS_NT-6.1</td><td>Msys</td><td>i686</td><td>Unknown</td><td>Unknown</td><td>2018-11-26 09:22</td><td>2.11.2(0.329/5/3)</td></tr><tr><td><a href="/facts/MSYS/t0kRm9Xe">MSYS</a> 64 bit (Windows 7)</td><td>MSYS_NT-6.1</td><td>Msys</td><td>x86_64</td><td>Unknown</td><td>Unknown</td><td>2018-11-26 09:22</td><td>2.11.2(0.329/5/3)</td></tr><tr><td><a href="/facts/NetBSD/PTm5HWls">NetBSD</a></td><td>NetBSD</td><td>Unknown</td><td>i386</td><td>i386</td><td>Unknown</td><td>NetBSD 6.0.1 (GENERIC)</td><td>6.0.1</td></tr><tr><td><a href="/facts/NonStop_OS/VuLrDEUQ">NonStop OS</a> H06 25</td><td>NONSTOP_KERNEL</td><td>Unknown</td><td>NSE-T</td><td>Unknown</td><td>H06</td><td>25</td><td>Unknown</td></tr><tr><td><a href="/facts/NonStop_OS/VuLrDEUQ">NonStop OS</a> J06 14</td><td>NONSTOP_KERNEL</td><td>Unknown</td><td>NSE-AB</td><td>Unknown</td><td>J06</td><td>14</td><td>Unknown</td></tr><tr><td><a href="/facts/OpenBSD/xmPS9tek">OpenBSD</a> 5.4</td><td><a href="/facts/OpenBSD/xmPS9tek">OpenBSD</a></td><td>illegal option</td><td>amd64</td><td>amd64</td><td>illegal option</td><td>GENERIC.MP#1</td><td>5.4</td></tr><tr><td><a href="/facts/OpenSUSE/mFzGMY3z">openSUSE</a> 10.3, Core2-duo 64-bit</td><td><a href="/facts/Linux/9FvCKSTq">Linux</a></td><td>GNU/Linux</td><td>x86_64</td><td>x86_64</td><td>x86_64</td><td>#1 SMP 2007/09/21 22:29:00 UTC</td><td>2.6.22.5-31-default</td></tr><tr><td><a href="/facts/OpenSUSE/mFzGMY3z">openSUSE</a> Tumbleweed</td><td><a href="/facts/Linux/9FvCKSTq">Linux</a></td><td>GNU/Linux</td><td>x86_64</td><td>x86_64</td><td>x86_64</td><td>#1 SMP PREEMPT_DYNAMIC Mon Feb 17 10:42:46 UTC 2025 (36519ec)</td><td>6.13.3-1-default</td></tr><tr><td><a href="/facts/OpenWRT/3VYxerTY">OpenWRT</a> Barrier Breaker r40420 on TL-WR1043ND</td><td><a href="/facts/Linux/9FvCKSTq">Linux</a></td><td>GNU/Linux</td><td>mips</td><td>Unknown</td><td>unknown (-i) invalid (-M)</td><td>#1 Tue Apr 8 06:30:07 UTC 2014</td><td>3.10.34</td></tr><tr><td><a href="/facts/QNX/gBsfJvcB">QNX</a></td><td>QNX</td><td>–</td><td>x86pc</td><td>x86</td><td>–</td><td>2010/07/09-14:44:03EDT</td><td>6.5.0</td></tr><tr><td><a href="/facts/Red_Hat/5rhmBLBa">Red Hat</a> Linux, Fedora Core 6, AMD Turion64 mobile</td><td>Linux</td><td>GNU/Linux</td><td>i686</td><td>athlon</td><td>i386</td><td>#1 SMP Wed Jan 10 19:28:18 EST 2007</td><td>2.6.19-1.2895.fc6</td></tr><tr><td><a href="/facts/SINIX/VbdESF6k">ReliantUNIX</a></td><td>ReliantUNIX-Y</td><td></td><td>RM600</td><td>R4000</td><td></td><td>B2005</td><td>5.45</td></tr><tr><td><a href="/facts/SINIX/VbdESF6k">SINIX</a></td><td>SINIX-Y</td><td></td><td>RM600</td><td>R4000</td><td></td><td></td><td>5.43</td></tr><tr><td><a href="/facts/Solaris_(operating_system)/KPfT98EJ">Solaris</a> 2.5.1 Intel Platform Edition</td><td><a href="/facts/SunOS/oWMcGLqc">SunOS</a></td><td><a href="/facts/Solaris_(operating_system)/KPfT98EJ">Solaris</a></td><td>i86pc</td><td>i386</td><td>i86pc</td><td>Generic_103641-42</td><td>5.5.1</td></tr><tr><td><a href="/facts/Solaris_(operating_system)/KPfT98EJ">Solaris</a> 8</td><td><a href="/facts/SunOS/oWMcGLqc">SunOS</a></td><td>illegal option</td><td>sun4u</td><td>sparc</td><td>SUNW, UltraAX-i2</td><td>Generic_117350-50</td><td>5.8</td></tr><tr><td><a href="/facts/Solaris_(operating_system)/KPfT98EJ">Solaris</a> 9, Sun Fire 280R</td><td><a href="/facts/SunOS/oWMcGLqc">SunOS</a></td><td>illegal option</td><td>sun4u</td><td>sparc</td><td>SUNW, Sun-Fire-280R</td><td>Generic_112233-08</td><td>5.9</td></tr><tr><td><a href="/facts/Solaris_(operating_system)/KPfT98EJ">Solaris</a> 10, Sun Fire V490</td><td><a href="/facts/SunOS/oWMcGLqc">SunOS</a></td><td>illegal option</td><td>sun4u</td><td>sparc</td><td>SUNW, Sun-Fire-V490</td><td>Generic_142900-13</td><td>5.10</td></tr><tr><td><a href="/facts/Solaris_(operating_system)/KPfT98EJ">Solaris</a> 11.1, Sun Fire X4540</td><td><a href="/facts/SunOS/oWMcGLqc">SunOS</a></td><td>illegal option</td><td>i86pc</td><td>i386</td><td>i86pc</td><td>11.1</td><td>5.11</td></tr><tr><td><a href="/facts/OpenIndiana/o2wuXlcm">OpenIndiana</a></td><td><a href="/facts/SunOS/oWMcGLqc">SunOS</a></td><td>illegal option</td><td>i86pc</td><td>i386</td><td>i86pc</td><td>oi_151a8</td><td>5.11</td></tr><tr><td><a href="/facts/OpenIndiana/o2wuXlcm">OpenIndiana</a> Hipster 2018.04</td><td><a href="/facts/SunOS/oWMcGLqc">SunOS</a></td><td>Solaris</td><td>i86pc</td><td>i386</td><td>i86pc</td><td><a href="/facts/Illumos/helcbXv6">illumos</a>-47b8d4b884</td><td>5.11</td></tr><tr><td><a href="/facts/OpenIndiana/o2wuXlcm">OpenIndiana</a> Hipster 2021.10</td><td><a href="/facts/SunOS/oWMcGLqc">SunOS</a></td><td><a href="/facts/Illumos/helcbXv6"> illumos</a></td><td>i86pc</td><td>i386</td><td>i86pc</td><td>illumos-b12aaafbf5</td><td>5.11</td></tr><tr><td><a href="/facts/SmartOS/9NoQMeRs">SmartOS</a></td><td><a href="/facts/SunOS/oWMcGLqc">SunOS</a></td><td><a href="/facts/Illumos/helcbXv6"> illumos</a></td><td>i86pc</td><td>i386</td><td>i86pc</td><td>joyent_20250206T001102Z</td><td>5.11</td></tr><tr><td>OmniOS</td><td><a href="/facts/SunOS/oWMcGLqc">SunOS</a></td><td>illegal option</td><td>i86pc</td><td>i386</td><td>i86pc</td><td>omnios-a708424</td><td>5.11</td></tr><tr><td><a href="/facts/Tru64/J4tMy7uA">Tru64</a></td><td>OSF1</td><td>invalid</td><td>alpha</td><td>alpha</td><td>invalid</td><td>2650</td><td>V5.1</td></tr><tr><td><a href="/facts/Ubuntu_(operating_system)/0WDd7hkb">Ubuntu</a> 11.04</td><td>Linux</td><td>GNU/Linux</td><td>x86_64</td><td>x86_64</td><td>x86_64</td><td>#46-Ubuntu SMP Tue Jun 28 15:07:17 UTC 2011</td><td>2.6.38-10-generic</td></tr><tr><td><a href="/facts/Ubuntu_(operating_system)/0WDd7hkb">Ubuntu</a> 12.0.4 on <a href="/facts/PandaBoard/wY71lSv5">Pandaboard ES</a></td><td>Linux</td><td>GNU/Linux</td><td>armv7l</td><td>armv7l</td><td>armv7l</td><td>#33-Ubuntu SMP PREEMPT Sat Jan 26 00:46:04 UTC 2013</td><td>3.2.0-1425-omap4</td></tr><tr><td><a href="/facts/Ubuntu_(operating_system)/0WDd7hkb">Ubuntu</a> 20.0.4LTS on <a href="/facts/Raspberry_Pi/Ie6Lx9n5">Raspberry Pi</a> 4 Model B</td><td>Linux</td><td>GNU/Linux</td><td>aarch64</td><td>aarch64</td><td>aarch64</td><td>#20-Ubuntu SMP Sun Sep 6 05:11:16 UTC 2020</td><td>5.4.0-1018-raspi</td></tr><tr><td><a href="/facts/Ultrix/NWH3Udfj">Ultrix</a></td><td>ULTRIX</td><td>–</td><td>VAX</td><td>–</td><td>–</td><td>0</td><td>4.5</td></tr><tr><td><a href="/facts/Unity_Linux/bTW1XbAp">Unity Linux</a></td><td>Linux</td><td>GNU/Linux</td><td>i686</td><td>Intel(R) Core(TM) i5-2520M CPU @ 2.50 GHz</td><td>unknown (-i) invalid (-M)</td><td>#1 SMP Fri Oct 1 16:46:58 UTC 2010</td><td>2.6.35.7-unity1</td></tr><tr><td><a href="/facts/UnxUtils/CsUBGmUM">UnxUtils</a> 2007 32 bit (Windows Server 2008)</td><td>WindowsNT</td><td>illegal option</td><td>x86</td><td>illegal option</td><td>illegal option</td><td>6</td><td>0</td></tr><tr><td>(SCO) <a href="/facts/OpenServer/MuIplPGX">OpenServer</a> 5.0.6</td><td>SCO_SV</td><td><i>(hostname)</i></td><td>i386</td><td>i386</td><td>illegal</td><td>5.0.6</td><td>3.2</td></tr><tr><td>(SCO) <a href="/facts/System_V/Epm6GEY4">System V</a></td><td>SCO_SV</td><td>illegal</td><td>i386</td><td>i386</td><td>illegal</td><td>6.0.0</td><td>5</td></tr><tr><td>(SCO) <a href="/facts/UnixWare/L0q19BlL">UnixWare</a> 7.1.4</td><td>UnixWare</td><td>illegal option</td><td>i386</td><td>x86at</td><td>-i hardware serial/license number, .e.g. 1AB000123 or NUL000000; -M is illegal option</td><td>7.1.4</td><td>5</td></tr><tr><td><a href="/facts/UWIN/3353fJyl">UWIN</a> (64 bit Windows 7), Intel Core i5</td><td>UWIN-W7</td><td>UWIN</td><td>i686-64</td><td>x64</td><td>64/64</td><td>2012-06-26</td><td>5.0/6.1</td></tr><tr><td>SYS$UNIX:SH on <a href="/facts/OpenVMS/rAnHAgpD">OpenVMS</a> on VAX emulator</td><td>IS/WB</td><td>illegal option</td><td>vax-6340</td><td>illegal option</td><td>illegal option</td><td>std</td><td>5.0</td></tr><tr><td><a href="/facts/Z/OS/amLCAlgV">z/OS</a> <a href="/facts/UNIX_System_Services/y1g3zARV">USS</a></td><td>OS/390</td><td>Unknown</td><td>2097</td><td>Unknown</td><td>-i/-M: unknown option; -I: z/OS</td><td>03</td><td>22.00</td></tr><tr><td><a href="/facts/Windows_Subsystem_for_Linux/ou97bFN2">Windows Subsystem for Linux</a> (WSL), Ubuntu 18.04</td><td>Linux</td><td>GNU/Linux</td><td>x86_64</td><td>x86_64</td><td>x86_64</td><td>#476-Microsoft Fri Nov 01 16:53:00 PST 2019</td><td>4.4.0-18362-Microsoft</td></tr><tr><td><a href="/facts/Windows_Subsystem_for_Linux/ou97bFN2">Windows Subsystem for Linux</a> (WSL2), Ubuntu 20.04</td><td>Linux</td><td>GNU/Linux</td><td>x86_64</td><td>x86_64</td><td>x86_64</td><td>#1 SMP Wed Aug 25 23:20:18 UTC 2021</td><td>5.10.60.1-microsoft-standard-WSL2</td></tr></tbody></table> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/List_of_Unix_commands/EEuIsUx9">List of Unix commands</a></li> <li><a href="/facts/Linux_Standard_Base/8Hq3tPJM">lsb_release</a></li> <li><a href="/facts/Ver_(command)/x3Pz6hw2">ver (command)</a></li></ul> <h2 id="footnotes">Footnotes</h2> <h2 id="external-links">External links</h2> The Wikibook <i>Guide to Unix</i> has a page on the topic of: <i>Commands</i> <ul><li><a href="https://pubs.opengroup.org/onlinepubs/9799919799/utilities/uname.html">uname</a> – Shell and Utilities Reference, <a href="/facts/Single_Unix_Specification/w1ba5bDt">The Single UNIX Specification</a>, Version 4 from <a href="/facts/The_Open_Group/uRoDdEae">The Open Group</a></li> <li><a href="https://manned.org/uname.1">uname(1)</a> – <a href="/facts/Linux/9FvCKSTq">Linux</a> User <a href="/facts/Man_page/S2yYjy0J">Manual</a> – User Commands</li> <li><a href="https://www.freebsd.org/cgi/man.cgi?query=uname&sektion=1">uname(1)</a> – <a href="/facts/FreeBSD/RKsFTm7F">FreeBSD</a> General Commands <a href="/facts/Man_page/S2yYjy0J">Manual</a></li> <li><a href="https://keith.github.io/xcode-man-pages/uname.1.html">uname(1)</a> – <a href="/facts/Darwin_(operating_system)/DogI3ptd">Darwin</a> and <a href="/facts/MacOS/Y93vVpTm">macOS</a> General Commands <a href="/facts/Man_page/S2yYjy0J">Manual</a></li> <li><a href="https://docs.oracle.com/cd/E88353_01/html/E37839/uname-1.html">uname(1)</a> – <a href="/facts/Solaris_(operating_system)/KPfT98EJ">Solaris 11.4</a> User Commands Reference <a href="/facts/Man_page/S2yYjy0J">Manual</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>uname. The Open Group Base Specifications Issue 7/IEEE Std 1003.1, 2013 Edition. Specifies the command. <a href="http://pubs.opengroup.org/onlinepubs/9699919799/utilities/uname.html" target="_blank">http://pubs.opengroup.org/onlinepubs/9699919799/utilities/uname.html</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>uname. The Open Group Base Specifications Issue 7/IEEE Std 1003.1, 2013 Edition. Specifies the function/system call. <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/uname.html" target="_blank">http://pubs.opengroup.org/onlinepubs/9699919799/functions/uname.html</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>uname(1) – Linux User Manual – User Commands <a href="https://manned.org/uname.1" target="_blank">https://manned.org/uname.1</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>CoreUtils for Windows <a href="http://gnuwin32.sourceforge.net/packages/coreutils.htm" target="_blank">http://gnuwin32.sourceforge.net/packages/coreutils.htm</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Native Win32 ports of some GNU utilities <a href="http://unxutils.sourceforge.net/" target="_blank">http://unxutils.sourceforge.net/</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>These are merely meant to broadly represent common systems; actual output may vary depending on hardware type, OS version, and which software patches have been installed. <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Find out which macOS your Mac is using <a href="https://support.apple.com/en-us/HT201260" target="_blank">https://support.apple.com/en-us/HT201260</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> </ol>