7

Conventions and Miscellany

Section 7 of the manual provides overviews on various topics, and describes conventions and protocols, character set standards, the standard file system layout, and miscellaneous other things.

Top 3 commands

Command Description Lookups
1 ip Linux IPv4 protocol implementation
2 nfsd special filesystem for controlling Linux NFS server
3 signal overview of signals

All commands219

  • Command
  • Description
address_families
socket address families (domains)
aio
POSIX asynchronous I/O overview
armscii-8
Armenian character set encoded in octal, decimal, and hexadecimal
arp
Linux ARP kernel module.
ascii
ASCII character set encoded in octal, decimal, and hexadecimal
asymmetric-key
Kernel key type for holding asymmetric keys
attributes
POSIX safety concepts
audit.rules
a set of rules loaded in the kernel audit system
backend
cups backend transmission interfaces
bootparam
introduction to boot time parameters of the Linux kernel
bootup
System bootup process
bpf-helpers
list of eBPF helper functions
capabilities
overview of Linux capabilities
cgroup_namespaces
overview of Linux cgroup namespaces
cgroups
Linux control groups
charsets
character set standards and internationalization
complex
basics of complex mathematics
cp1251
CP 1251 character set encoded in octal, decimal, and hexadecimal
cp1252
CP 1252 character set encoded in octal, decimal, and hexadecimal
cpuset
confine processes to processor and memory node subsets
credentials
process identifiers
ddp
Linux AppleTalk protocol implementation
debhelper
the debhelper tool suite
debhelper-obsolete-compat
List of no longer supported compat levels
deb-version
Debian package version number format
ditroff
classical device independent roff
dracut.bootup
boot ordering in the initramfs
dracut.cmdline
dracut kernel command line options
dracut.modules
dracut modules
environ
user environment
epoll
I/O event notification facility
fanotify
monitoring filesystem events
feature_test_macros
feature test macros
fifo
first-in first-out special file, named pipe
file-hierarchy
File system hierarchy overview
filter
cups file conversion filter interface
gitcli
Git command-line interface and conventions
gitcore-tutorial
A Git core tutorial for developers
gitcredentials
providing usernames and passwords to Git
gitcvs-migration
Git for CVS users
gitdiffcore
Tweaking diff output
giteveryday
A useful minimum set of commands for Everyday Git
gitglossary
A Git Glossary
gitnamespaces
Git namespaces
gitremote-helpers
Helper programs to interact with remote repositories
gitrevisions
Specifying revisions and ranges for Git
gitsubmodules
mounting one repository inside another
gittutorial
A tutorial introduction to Git
gittutorial-2
A tutorial introduction to Git: part two
gitworkflows
An overview of recommended workflows with Git
glibc
overview of standard C libraries on Linux
groff_char
groff glyph names
groff_diff
differences between GNU troff and classical troff
groff_hdtbl
groff `hdtbl' macros for generation of tables
groff_man
groff man macros to support generation of man pages
groff_me
troff macros for formatting papers
groff_mm
groff mm macros
groff_mom
groff `mom' macros, `mom' is a `roff' language, part of `groff'
groff_ms
groff ms macros
groff_trace
groff macro package trace.tmac
groff_www
groff macros for authoring web pages
hier
description of the filesystem hierarchy
hwdb
Hardware Database
icmp
Linux IPv4 ICMP kernel module.
inode
file inode information
inotify
monitoring filesystem events
ip
Linux IPv4 protocol implementation
ipc_namespaces
overview of Linux IPC namespaces
ippevepcl
pcl and postscript print commands for ippeveprinter
ipv6
Linux IPv6 protocol implementation
iso_8859_1
ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
iso_8859-1
ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
iso-8859-1
ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
iso_8859_10
ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
iso_8859-10
ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
iso-8859-10
ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
iso_8859_11
ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
iso_8859-11
ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
iso-8859-11
ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
iso_8859_13
ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
iso_8859-13
ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
iso-8859-13
ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
iso_8859_14
ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
iso_8859-14
ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
iso-8859-14
ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
iso_8859_15
ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
iso_8859-15
ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
iso-8859-15
ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
iso_8859_16
ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
iso_8859-16
ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
iso-8859-16
ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
iso_8859_2
ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
iso_8859-2
ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
iso-8859-2
ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
iso_8859_3
ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
iso_8859-3
ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
iso-8859-3
ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
iso_8859_4
ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
iso_8859-4
ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
iso-8859-4
ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
iso_8859_5
ISO 8859-5 character set encoded in octal, decimal, and hexadecimal
iso_8859-5
ISO 8859-5 character set encoded in octal, decimal, and hexadecimal
iso-8859-5
ISO 8859-5 character set encoded in octal, decimal, and hexadecimal
iso_8859_6
ISO 8859-6 character set encoded in octal, decimal, and hexadecimal
iso_8859-6
ISO 8859-6 character set encoded in octal, decimal, and hexadecimal
iso-8859-6
ISO 8859-6 character set encoded in octal, decimal, and hexadecimal
iso_8859_7
ISO 8859-7 character set encoded in octal, decimal, and hexadecimal
iso_8859-7
ISO 8859-7 character set encoded in octal, decimal, and hexadecimal
iso-8859-7
ISO 8859-7 character set encoded in octal, decimal, and hexadecimal
iso_8859_8
ISO 8859-8 character set encoded in octal, decimal, and hexadecimal
iso_8859-8
ISO 8859-8 character set encoded in octal, decimal, and hexadecimal
iso-8859-8
ISO 8859-8 character set encoded in octal, decimal, and hexadecimal
iso_8859_9
ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
iso_8859-9
ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
iso-8859-9
ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
kernel-command-line
Kernel command line parameters
keyrings
in-kernel key management and retention facility
keyutils
in-kernel key management utilities
koi8-r
Russian character set encoded in octal, decimal, and hexadecimal
koi8-u
Ukrainian character set encoded in octal, decimal, and hexadecimal
latin1
ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
latin10
ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
latin2
ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
latin3
ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
latin4
ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
latin5
ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
latin6
ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
latin7
ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
latin8
ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
latin9
ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
libabigail
Library to analyze and compare ELF ABIs
libc
overview of standard C libraries on Linux
lvmcache
LVM caching
lvmraid
LVM RAID
lvmreport
LVM reporting and related features
lvmsystemid
LVM system ID
lvmthin
LVM thin provisioning
lvmvdo
EXPERIMENTAL LVM Virtual Data Optimizer support
lxc
linux containers
mailaddr
mail addressing description
man-pages
conventions for writing Linux man pages
math_error
detecting errors from mathematical functions
mlx4dv
Direct verbs for mlx4 devicesThis is low level access to mlx4 devices to perform data path operations, without general branching performed by ibv_post_send(3).
mlx5dv
Direct verbs for mlx5 devicesThis is low level access to mlx5 devices to perform data path operations, without general branching performed by ibv_post_send(3).
mount_namespaces
overview of Linux mount namespaces
mq_overview
overview of POSIX message queues
namespaces
overview of Linux namespaces
netdevice
low-level access to Linux network devices
network_namespaces
overview of Linux network namespaces
nfsd
special filesystem for controlling Linux NFS server
nfs.systemd
managing NFS services through systemd.
notifier
cups notification interface
nptl
Native POSIX Threads Library
operator
C operator precedence and order of evaluation
ovn-architecture
Open Virtual Network architecture
ovs-actions
OpenFlow actions and instructions with Open vSwitch extensions
ovs-fields
protocol header fields in OpenFlow and Open vSwitch
packet
packet interface on device level
path_resolution
how a pathname is resolved to a file
persistent-keyring
per-user persistent keyring
pid_namespaces
overview of Linux PID namespaces
pkeys
overview of Memory Protection Keys
posixoptions
optional parts of the POSIX standard
precedence
C operator precedence and order of evaluation
process-keyring
per-process shared keyring
pthreads
POSIX threads
pty
pseudoterminal interfaces
raw
Linux IPv4 raw sockets
rdma_cm
RDMA communication manager.
roff
roff language reference for mandoc
rtld-audit
auditing API for the dynamic linker
rxe
Software RDMA over Ethernet
sched
overview of CPU scheduling
sctp
SCTP protocol.
sem_overview
overview of POSIX semaphores
session-keyring
session shared process keyring
shm_overview
overview of POSIX shared memory
sigevent
structure for notification from asynchronous routines
signal
overview of signals
signal-safety
async-signal-safe functions
sock_diag
obtaining information about sockets
spufs
SPU filesystem
standards
C and UNIX Standards
stappaths
systemtap configurable file paths
suffixes
list of file suffixes
svipc
System V interprocess communication mechanisms
systemd.directives
Index of configuration directives
systemd.environment-generator
systemd environment file generators
systemd.generator
systemd unit generators
systemd.index
List all manpages from the systemd project
systemd.journal-fields
Special journal fields
systemd.offline-updates
Implementation of offline updates in systemd
systemd.special
Special systemd units
systemd.time
Time and date specifications
sysvipc
System V interprocess communication mechanisms
tc-hfsc
Hierarchical Fair Service Curve
tcp
TCP protocol
termio
System V terminal driver interface
thread-keyring
per-thread keyring
tis-620
ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
udev
Dynamic device management
udp
User Datagram Protocol for IPv4
udplite
Lightweight User Datagram Protocol
unicode
universal character set
units
decimal and binary prefixes
unix
sockets for local interprocess communication
uri
uniform resource identifier (URI), including a URL or URN
url
uniform resource identifier (URI), including a URL or URN
urn
uniform resource identifier (URI), including a URL or URN
user-keyring
per-user keyring
user_namespaces
overview of Linux user namespaces
user-session-keyring
per-user default session keyring
utf8
an ASCII compatible multibyte Unicode encoding
utf-8
an ASCII compatible multibyte Unicode encoding
uts_namespaces
overview of Linux UTS namespaces
vdso
overview of the virtual ELF dynamic shared object
vsock
Linux VSOCK address family
x25
ITU-T X.25 / ISO-8208 protocol interface.
xattr
Extended attributes