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which (command)
open-in-new
<p>In <a href="/facts/Computing/Kghtm9fX">computing</a>, which is a <a href="/facts/Command_(computing)/zUrvQbFy">command</a> for various <a href="/facts/Operating_system/8XTuvMh2">operating systems</a> used to identify the location of <a href="/facts/Executable/VSst9eLA">executables</a>. The command is available in <a href="/facts/Unix/0pNL2seI">Unix</a> and <a href="/facts/Unix-like/YAKrAxzd">Unix-like</a> systems, the <a href="/facts/AROS_Research_Operating_System/qctF50SD">AROS</a> shell, for <a href="/facts/FreeDOS/61fuGd0j">FreeDOS</a> and for <a href="/facts/Microsoft_Windows/bwhAhuSL">Microsoft Windows</a>. The functionality of the <i>which</i> command is similar to some implementations of the <a href="/facts/Type_(Unix)/dNxYbnDF">type</a> command. <a href="/facts/POSIX/mQkSt234">POSIX</a> specifies a command named <a href="/facts/Command_(shell_builtin)/3HN53Hz1">command</a> that also covers this functionality. </p>