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Template:Linux layers - Revision history
2026-07-01T03:05:21Z
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Indicwiki: 1 revision imported from :alpha:Template:Linux_layers
2023-05-03T04:57:18Z
<p>1 revision imported from <a href="https://alpha.indicwiki.in/index.php?title=Template:Linux_layers" class="extiw" title="alpha:Template:Linux layers">alpha:Template:Linux_layers</a></p>
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Indicwiki
https://www.vigyanwiki.in/index.php?title=Template:Linux_layers&diff=148375&oldid=prev
alpha>Indicwiki: Created page with "{| class="wikitable" |+ Various layers within Linux, also showing separation between the userland and user space and kernel space|kernel spac..."
2023-04-26T06:22:15Z
<p>Created page with "{| class="wikitable" |+ Various layers within Linux, also showing separation between the <a href="/index.php?title=User_space_and_kernel_space&action=edit&redlink=1" class="new" title="User space and kernel space (page does not exist)">userland</a> and user space and kernel space|kernel spac..."</p>
<p><b>New page</b></p><div>{| class="wikitable"<br />
|+ Various layers within Linux, also showing separation between the [[User space and kernel space|userland]] and [[user space and kernel space|kernel space]]<br />
|-<br />
! rowspan=3 style="width: 10%" | User mode<br />
| colspan=1 style="width: 10%" | '''User applications'''<br />
| colspan=5 style="width: 80%" | ''[[bash (Unix shell)|bash]], [[LibreOffice]], [[GIMP]], [[Blender (software)|Blender]], [[0 A.D. (video game)|0 A.D.]], [[Firefox|Mozilla Firefox]], ...''<br />
|-<br />
| style="width: 10%" | '''System components'''<br />
| colspan=1 style="width: 15%; background-color: #def"| '''[[Init|init daemon]]''':<br />''[[OpenRC]], [[runit]], [[systemd]]...''<br />
| colspan=1 style="width: 15%; background-color: #def"| '''[[Daemon (computing)|System daemons]]''':<br />''[[Polkit|polkitd]], [[Samba (software)|smbd]], [[OpenSSH|sshd]], [[udevd]]...''<br />
| colspan=1 style="width: 15%; background-color: #def"| '''[[Windowing system|Window manager]]''':<br />''[[X Window System|X11]], [[Wayland (protocol)|Wayland]], [[SurfaceFlinger]] (Android)''<br />
| colspan=1 style="width: 15%; background-color: #def"| '''Graphics''':<br />''[[Mesa (computer graphics)|Mesa]]'', ''[[AMD Radeon Software|AMD Catalyst]], ...''<br />
| colspan=2 style="width: 36%; background-color: #FFFDD0" | '''Other libraries:'''<br />''[[GTK]], [[Qt (software)|Qt]], [[Enlightenment Foundation Libraries|EFL]], [[Simple DirectMedia Layer|SDL]], [[Simple and Fast Multimedia Library|SFML]], [[FLTK]], [[GNUstep]], ...''<br />
|- style="background-color: #dfd"<br />
| colspan=1 style="width: 10%" | '''[[C standard library]]'''<br />
| colspan=5 style="width: 80%" | <code>[[fopen]]</code>, <code>[[exec (system call)|execv]]</code>, <code>[[malloc]]</code>, <code>[[memcpy]]</code>, <code>[[localtime]]</code>, <code>[[pthread_create]]</code>... (up to 2000 [[subroutine]]s)<br />''[[glibc]]'' aims to be fast, ''[[musl]]'' aims to be lightweight, ''[[uClibc]]'' targets embedded systems, ''[[Bionic (software)|bionic]]'' was written for [[Android (operating system)|Android]], etc. All aim to be [[POSIX]]/[[Single UNIX Specification|SUS]]-compatible.<br />
|-<br />
! rowspan=3 style="width: 10%" | Kernel mode<br />
| rowspan=3 style="width: 10%" | '''[[Linux kernel]]'''<br />
| colspan=5 style="width: 80%; background-color: #ffb7b7;" |<code>[[stat (system call)|stat]]</code>, <code>[[splice (system call)|splice]]</code>, <code>[[dup (system call)|dup]]</code>, <code>[[read (system call)|read]]</code>, <code>[[open (system call)|open]]</code>, <code>[[ioctl]]</code>, <code>[[write (system call)|write]]</code>, <code>[[mmap]]</code>, <code>[[close (system call)|close]]</code>, <code>[[exit (system call)|exit]]</code>, etc. (about 380 system calls)<br />The Linux kernel [[System call|System Call Interface]] (SCI), aims to be [[POSIX]]/[[Single UNIX Specification|SUS]]-compatible<ref>{{cite web |title=Admin Guide README |url=https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/admin-guide/README.rst |website=git.kernel.org}}</ref><br />
|- style="background-color: #ffb7b7;"<br />
| style="width: 15%;" | [[Scheduling (computing)|Process scheduling]]<br />subsystem<br />
| style="width: 15%;" | [[Inter-process communication|IPC]]<br />subsystem<br />
| style="width: 15%;" | [[Memory management]]<br />subsystem<br />
| style="width: 15%;" | [[Virtual file system|Virtual files]]<br />subsystem<br />
| style="width: 15%;" | Network<br />subsystem<br />
|- style="background-color: #ffb7b7;"<br />
| colspan=5 style="width: 80%;" | Other components: [[Advanced Linux Sound Architecture|ALSA]], [[Direct Rendering Infrastructure|DRI]], [[evdev]], [[Klibc|klibc]], [[Logical Volume Manager (Linux)|LVM]], [[device mapper]], [[Linux Network Scheduler]], [[Netfilter]]<br />[[Linux Security Modules]]: ''[[Security-Enhanced Linux|SELinux]]'', ''[[TOMOYO Linux|TOMOYO]]'', ''[[AppArmor]]'', ''[[Smack (Linux security module)|Smack]]''<br />
|- style="background-color: #ffd99c;"<br />
! colspan=7 style="width: 100%" | Hardware ([[Central processing unit|CPU]], [[Random-access memory|main memory]], [[Computer data storage|data storage devices]], etc.)<br />
|}<noinclude><br />
{{documentation}}<br />
</noinclude></div>
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