Difference between revisions of "Template:Linux layers"

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| colspan=1 style="width: 10%" | '''[[C standard library]]'''
 
| colspan=1 style="width: 10%" | '''[[C standard library]]'''
| colspan=5 style="width: 80%" | <code>open()</code>, <code>exec()</code>, <code>sbrk()</code>, <code>socket()</code>, <code>fopen()</code>, <code>calloc()</code>, ... (up to 2000 [[subroutine]]s)<br>''[[GNU C Library|glibc]]'' aims to be [[POSIX]]/[[Single UNIX Specification|SUS]]-compatible, ''[[musl]]'' and ''[[uClibc]]'' target embedded systems, ''[[Bionic (software)|bionic]]'' written for [[Android (operating system)|Android]], etc.
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| colspan=5 style="width: 80%" | <code>open()</code>, <code>exec()</code>, <code>sbrk()</code>, <code>socket()</code>, <code>fopen()</code>, <code>calloc()</code>, ... (up to 2000 [[subroutine]]s)<br>''[[GNU C Library|glibc]]'' aims to be fast, ''[[musl]]'' and ''[[uClibc]]'' target embedded systems, ''[[Bionic (software)|bionic]]'' written for [[Android (operating system)|Android]], etc. All aim to be [[POSIX]]/[[Single UNIX Specification|SUS]]-compatible.
 
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! rowspan=3 style="width: 10%" | Kernel mode
 
! rowspan=3 style="width: 10%" | Kernel mode

Revision as of 12:18, 15 July 2020

Various layers within Linux, also showing separation between the userland and kernel space
User mode User applications For example, bash, LibreOffice, GIMP, Blender, 0 A.D., Mozilla Firefox, etc.
Low-level system components: System daemons:
systemd, runit, logind, networkd, PulseAudio, ...
Windowing system:
X11, Wayland, SurfaceFlinger (Android)
Other libraries:
GTK+, Qt, EFL, SDL, SFML, FLTK, GNUstep, etc.
Graphics:
Mesa, AMD Catalyst, ...
C standard library open(), exec(), sbrk(), socket(), fopen(), calloc(), ... (up to 2000 subroutines)
glibc aims to be fast, musl and uClibc target embedded systems, bionic written for Android, etc. All aim to be POSIX/SUS-compatible.
Kernel mode Linux kernel stat, splice, dup, read, open, ioctl, write, mmap, close, exit, etc. (about 380 system calls)
The Linux kernel System Call Interface (SCI, aims to be POSIX/SUS-compatible)
Process scheduling
subsystem
IPC
subsystem
Memory management
subsystem
Virtual files
subsystem
Network
subsystem
Other components: ALSA, DRI, evdev, LVM, device mapper, Linux Network Scheduler, Netfilter
Linux Security Modules: SELinux, TOMOYO, AppArmor, Smack
Hardware (CPU, main memory, data storage devices, etc.)
Template documentation[view] [edit] [history] [purge]

See also an SVG equivalent at File:Free and open-source-software display servers and UI toolkits.svg.

To do

Missing from both versions are: Mesa (computer graphics) and Advanced Linux Sound Architecture.

Also please note, that there are Wikipedia contents for free and open-source device drivers, e.g.: