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System folder
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<p>The System folder is the directory in the <a href="/facts/Classic_Mac_OS/I5fQq44K">classic Mac OS</a> that holds various files required for the system to operate, such as <a href="/facts/Typeface/It41hIjl">fonts</a>, system extensions, control panels, and preferences. </p> <table><tbody><tr><th>System Folder location</th><th>macOS equivalent</th><th>Description</th></tr><tr><td>Extensions</td><td>/System/Library/Extensions/Library/Extensions</td><td>Classic Mac: Stores OS extensions (init format)macOS: Stores kernel extensions and drivers (kext format)</td></tr><tr><td>Startup Items</td><td>/System/Library/StartupItems/Library/StartupItems</td><td>Stores files or scripts to be executed at boot time.</td></tr><tr><td>Control Panels</td><td>/System/Library/PreferencePanes/Library/PreferencePanes</td><td>Classic Mac: Stores system configuration programs, which are loaded at boot time.macOS: Stores the various properties that appear in System Preferences.</td></tr><tr><td>Preferences</td><td>/Library/Preferences</td><td>Stores various application and system preferences.</td></tr></tbody></table> <p>Note: On macOS, files in /Library are not loaded at boot time when booting into Safe Mode. </p>