Section 5: File Formats

A

access.conf(5)

the login access control table file

acct(5)

process accounting file

adduser.conf(5)

configuration file for adduser(8) and addgroup(8) .

adjtime_config(5)

information about hardware clock setting and drift factor

american-english(5)

a list of English words

apcupsd.conf(5)

apcupsd(8) configuration file

apparmor.d(5)

syntax of security profiles for AppArmor.

apparmor.vim(5)

vim syntax highlighting file for AppArmor profiles

apt.conf(5)

Configuration file for APT

apt_auth.conf(5)

Login configuration file for APT sources and proxies

apt_preferences(5)

Preference control file for APT

at.allow(5)

determine who can submit jobs via at or batch

at.deny(5)

determine who can submit jobs via at or batch

authorized_keys(5)

OpenSSH daemon

B

binfmt.d(5)

Configure additional binary formats for executables at...

bridge-utils-interfaces(5)

bridge-utils extensions for the interfaces (5) ...

C

charmap(5)

character set description file

Compose(5)

X client mappings for multi-key input sequences

config(5ssl)

OpenSSL CONF library configuration files

console-setup(5)

configuration file for setupcon

Containerfile(5)

automate the steps of creating a container image

.containerignore(5)

files to ignore buildah or podman build context directory

containerignore(5)

files to ignore buildah or podman build context directory

containers-auth.json(5)

syntax for the registry authentication file

containers-certs.d(5)

Directory for storing custom container-registry TLS ...

containers-mounts.conf(5)

configuration file for default mounts in containers

containers-policy.json(5)

syntax for the signature verification policy file

containers-registries.conf(5)

Syntax of System Registry Configuration File

containers-registries.conf.d(5)

directory for drop-in registries.conf files

containers-registries.d(5)

Directory for various registries configurations

containers-signature(5)

Container signature format

containers-transports(5)

description of supported transports for copying a...

containers.conf(5)

The container engine configuration file specifies defa...

core(5)

core dump file

crontab(5)

tables for driving cron

crypt(5)

storage format for hashed passphrases and available ha...

customizable_types(5)

The SELinux customizable types configuration file

D

deb(5)

Debian binary package format

deb-buildinfo(5)

Debian build information file format

deb-changelog(5)

dpkg source packages' changelog file format

deb-changes(5)

Debian changes file format

deb-conffiles(5)

package conffiles

deb-control(5)

Debian binary packages' master control file format

deb-extra-override(5)

Debian archive extra override file

deb-md5sums(5)

package MD5 file digests

deb-old(5)

old style Debian binary package format

deb-origin(5)

Vendor-specific information files

deb-override(5)

Debian archive override file

deb-postinst(5)

package post-installation maintainer script

deb-postrm(5)

package post-removal maintainer script

deb-preinst(5)

package pre-installation maintainer script

deb-prerm(5)

package pre-removal maintainer script

deb-shlibs(5)

Debian shared library information file

deb-split(5)

Debian multi-part binary package format

deb-src-control(5)

Debian source packages' master control file format

deb-src-files(5)

Debian distribute files format

deb-src-rules(5)

Debian source package rules file

deb-src-symbols(5)

Debian's extended shared library template file

deb-substvars(5)

Debian source substitution variables

deb-symbols(5)

Debian's extended shared library information file

deb-triggers(5)

package triggers

deb822(5)

Debian RFC822 control data format

default_contexts(5)

The SELinux default contexts configuration file

default_type(5)

The SELinux default type configuration file

deluser.conf(5)

configuration file for deluser(8) and delgroup(8) .

depmod.d(5)

Configuration directory for depmod

dhclient.conf(5)

DHCP client configuration file

dhclient.leases(5)

DHCP client lease database

dhcp-eval(5)

ISC DHCP conditional evaluation

dhcp-options(5)

Dynamic Host Configuration Protocol options

dhcpd.conf(5)

dhcpd configuration file

dhcpd.leases(5)

DHCP client lease database

dir_colors(5)

configuration file for dircolors(1)

discover-modprobe.conf(5)

configuration file for discover-modprobe(5)

discover.conf(5)

configuration file format for discover(1)

dnssec-trust-anchors.d(5)

DNSSEC trust anchor configuration files

dpkg.cfg(5)

dpkg configuration file

dsc(5)

Debian source packages' control file format

E

e2fsck.conf(5)

Configuration file for e2fsck

editrc(5edit)

configuration file for editline library

elf(5)

format of Executable and Linking Format (ELF) files

environment(5)

the environment variables config files

environment.d(5)

Definition of user service environment

etc-aliases(5)

Files in use by the Debian exim4 packages

etc-email-addresses(5)

Files in use by the Debian exim4 packages

ethers(5)

Ethernet address to IP number database

exim4-config_files(5)

Files in use by the Debian exim4 packages

exim4_exim_crt(5)

Files in use by the Debian exim4 packages

exim4_exim_key(5)

Files in use by the Debian exim4 packages

exim4_host_local_deny_exceptions(5)

Files in use by the Debian exim4 packages

exim4_hubbed_hosts(5)

Files in use by the Debian exim4 packages

exim4_local_domain_dnsbl_whitelist(5)

Files in use by the Debian exim4 pac...

exim4_local_host_blacklist(5)

Files in use by the Debian exim4 packages

exim4_local_rcpt_callout(5)

Files in use by the Debian exim4 packages

exim4_local_sender_blacklist(5)

Files in use by the Debian exim4 packages

exim4_local_sender_callout(5)

Files in use by the Debian exim4 packages

exim4_passwd(5)

Files in use by the Debian exim4 packages

exim4_passwd_client(5)

Files in use by the Debian exim4 packages

exim4_sender_local_deny_exceptions(5)

Files in use by the Debian exim4 pac...

ext2(5)

the second extended file system

ext3(5)

the third extended file system

ext4(5)

the fourth extended file system

extension-release(5)

Operating system identification

F

faillock.conf(5)

pam_faillock configuration file

faillog(5)

login failure logging file

failsafe_context(5)

The SELinux fail safe context configuration file

file_contexts(5)

userspace SELinux labeling interface and configuration...

file_contexts.homedirs(5)

userspace SELinux labeling interface and configu...

file_contexts.local(5)

userspace SELinux labeling interface and configurat...

file_contexts.subs(5)

userspace SELinux labeling interface and configurati...

file_contexts.subs_dist(5)

userspace SELinux labeling interface and config...

filesystems(5)

Linux filesystem types: ext, ext2, ext3, ext4, hpfs, i...

fips_config(5ssl)

OpenSSL FIPS configuration

fonts-conf(5)

Font configuration files

fs(5)

Linux filesystem types: ext, ext2, ext3, ext4, hpfs, i...

fstab(5)

static information about the filesystems

G

gai.conf(5)

getaddrinfo(3) configuration file

gitattributes(5)

Defining attributes per path

gitformat-bundle(5)

The bundle file format

gitformat-chunk(5)

Chunk-based file formats

gitformat-commit-graph(5)

Git commit-graph format

gitformat-index(5)

Git index format

gitformat-pack(5)

Git pack format

gitformat-signature(5)

Git cryptographic signature formats

githooks(5)

Hooks used by Git

gitignore(5)

Specifies intentionally untracked files to ignore

gitmailmap(5)

Map author/committer names and/or E-Mail addresses

gitmodules(5)

Defining submodule properties

gitprotocol-capabilities(5)

Protocol v0 and v1 capabilities

gitprotocol-common(5)

Things common to various protocols

gitprotocol-http(5)

Git HTTP-based protocols

gitprotocol-pack(5)

How packs are transferred over-the-wire

gitprotocol-v2(5)

Git Wire Protocol, Version 2

gitrepository-layout(5)

Git Repository Layout

gitweb.conf(5)

Gitweb (Git web interface) configuration file

group(5)

user group file

group.conf(5)

configuration file for the pam_group module

gshadow(5)

shadowed group file

H

host.conf(5)

resolver configuration file

hostname(5)

Local hostname configuration file

hosts(5)

static table lookup for hostnames

hosts.allow(5)

format of host access control files

hosts.deny(5)

format of host access control files

hosts.equiv(5)

list of hosts and users that are granted "trusted" r c...

hosts_access(5)

format of host access control files

hosts_options(5)

host access control language extensions

hwclock(5)

settings that affect the behaviour of the hwclock init...

I

init-d-script(5)

interpreter for short and simple init.d scripts

initramfs.conf(5)

configuration file for mkinitramfs

initrd-release(5)

Operating system identification

integritytab(5)

Configuration for integrity block devices

interfaces(5)

network interface configuration for ifup and ifdown

intro(5)

introduction to file formats and filesystems

issue(5)

prelogin message and identification file

J

journald.conf(5)

Journal service configuration files

journald.conf.d(5)

Journal service configuration files

journald@.conf(5)

Journal service configuration files

K

kernel-img.conf(5)

configuration file for Linux kernel packages

keyboard(5)

keyboard configuration file

keymaps(5)

keyboard table descriptions for loadkeys and dumpkeys

L

ldap.conf(5)

LDAP configuration file/environment variables

libaudit.conf(5)

libaudit configuration file

libnftables-json(5)

Supported JSON schema by libnftables

libsasl(5)

authentication library

limits.conf(5)

configuration file for the pam_limits module

lmhosts(5)

The Samba NetBIOS hosts file

locale(5)

describes a locale definition file

locale.conf(5)

Configuration file for locale settings

locale.gen(5)

Configuration file for locale-gen

localtime(5)

Local timezone configuration file

login.defs(5)

shadow password suite configuration

logind.conf(5)

Login manager configuration files

logind.conf.d(5)

Login manager configuration files

logrotate.conf(5)

rotates, compresses, and mails system logs

lvm.conf(5)

Configuration file for LVM2

M

machine-id(5)

Local machine ID configuration file

machine-info(5)

Local machine information file

magic(5)

file command's magic pattern file

manpath(5)

format of the /etc/manpath.config file

media(5)

userspace SELinux labeling interface and configuration...

mke2fs.conf(5)

Configuration file for mke2fs

modprobe.d(5)

Configuration directory for modprobe

modules(5)

kernel modules to load at boot time

modules-load.d(5)

Configure kernel modules to load at boot

modules.dep(5)

Module dependency information

modules.dep.bin(5)

Module dependency information

moduli(5)

Diffie-Hellman moduli

motd(5)

message of the day

N

named.conf(5)

configuration file for **named**

namespace.conf(5)

the namespace configuration file

nanorc(5)

GNU nano's configuration file

netconfig(5)

network configuration data base

networkd.conf(5)

Global Network configuration files

networkd.conf.d(5)

Global Network configuration files

networks(5)

network name information

nologin(5)

prevent unprivileged users from logging into the system

nss(5)

Name Service Switch configuration file

nsswitch.conf(5)

Name Service Switch configuration file

O

odbc.ini(5)

unixODBC data source configuration files

odbcinst.ini(5)

unixODBC driver configuration file

opensc.conf(5)

configuration file for OpenSC

openvpn-examples(5)

(unknown subject)

org.freedesktop.hostname1(5)

The D-Bus interface of systemd-hostnamed

org.freedesktop.import1(5)

The D-Bus interface of systemd-importd

org.freedesktop.locale1(5)

The D-Bus interface of systemd-localed

org.freedesktop.LogControl1(5)

D-Bus interface to query and set logging co...

org.freedesktop.login1(5)

The D-Bus interface of systemd-logind

org.freedesktop.machine1(5)

The D-Bus interface of systemd-machined

org.freedesktop.network1(5)

The D-Bus interface of systemd-networkd

org.freedesktop.portable1(5)

The D-Bus interface of systemd-portabled

org.freedesktop.systemd1(5)

The D-Bus interface of systemd

org.freedesktop.timedate1(5)

The D-Bus interface of systemd-timedated

os-release(5)

Operating system identification

P

pam.conf(5)

PAM configuration files

pam.d(5)

PAM configuration files

pam_env.conf(5)

the environment variables config files

papersize(5)

specify preferred paper size

passwd(5)

the password file

pci.ids(5)

list of known identifiers related to PCI devices

pkcs15-profile(5)

format of profile for pkcs15-init

poolset(5)

persistent memory pool configuration file format

postgresqlrc(5)

Per-user PostgreSQL cluster configuration

proc(5)

process information pseudo-filesystem

procfs(5)

process information pseudo-filesystem

protocols(5)

protocols definition file

pstore.conf(5)

PStore configuration file

pstore.conf.d(5)

PStore configuration file

R

reader.conf(5)

configuration file for pcscd readers' drivers

removable_context(5)

The SELinux removable devices context configuration file

repart.d(5)

Partition Definition Files for Automatic Boot-Time Rep...

repertoiremap(5)

map symbolic character names to Unicode code points

resolv.conf(5)

resolver configuration file

resolver(5)

resolver configuration file

rndc.conf(5)

rndc configuration file

rpc(5)

RPC program number data base

rsyncd.conf(5)

configuration file for rsync in daemon mode

S

scr_dump(5)

format of curses screen-dumps.

secolor.conf(5)

The SELinux color configuration file

securetty(5)

list of terminals on which root is allowed to login

securetty_types(5)

The SELinux secure tty type configuration file

selabel_db(5)

userspace SELinux labeling interface and configuration...

selabel_file(5)

userspace SELinux labeling interface and configuration...

selabel_media(5)

userspace SELinux labeling interface and configuration...

selabel_x(5)

userspace SELinux labeling interface and configuration...

selinux_config(5)

The SELinux sub-system configuration file.

semanage.conf(5)

global configuration file for the SELinux Management l...

sepermit.conf(5)

configuration file for the pam_sepermit module

sepgsql_contexts(5)

userspace SELinux labeling interface and configuration...

service_seusers(5)

The SELinux GNU/Linux user and service to SELinux user...

services(5)

Internet network services list

sestatus.conf(5)

The sestatus(8) configuration file.

seusers(5)

The SELinux GNU/Linux user to SELinux user mapping con...

shadow(5)

shadowed password file

shells(5)

pathnames of valid login shells

slabinfo(5)

kernel slab allocator statistics

sleep.conf.d(5)

Suspend and hibernation configuration file

smb.conf(5)

The configuration file for the Samba suite

smbpasswd(5)

The Samba encrypted password file

sources.list(5)

List of configured APT data sources

ssh_config(5)

OpenSSH client configuration file

sshd_config(5)

OpenSSH daemon configuration file

subgid(5)

the configuration for subordinate group ids

subuid(5)

the configuration for subordinate user ids

sudo.conf(5)

configuration for sudo front-end

sudo_logsrv.proto(5)

Sudo log server protocol

sudo_logsrvd.conf(5)

configuration for sudo_logsrvd

sudo_plugin(5)

Sudo Plugin API

sudoers(5)

default sudo security policy plugin

sudoers_timestamp(5)

Sudoers Time Stamp Format

swtpm-localca.conf(5)

Configuration file for swtpm_localca

swtpm-localca.options(5)

Options file for swtpm_localca

swtpm_setup.conf(5)

Configuration file for swtpm_setup

sysctl.conf(5)

sysctl preload/configuration file

sysctl.d(5)

Configure kernel parameters at boot

sysfs(5)

a filesystem for exporting kernel objects

sysstat(5)

sysstat configuration file.

system.conf.d(5)

System and session service manager configuration files

systemd-sleep.conf(5)

Suspend and hibernation configuration file

systemd-system.conf(5)

System and session service manager configuration files

systemd-user-runtime-dir(5)

System units to start the user manager

systemd-user.conf(5)

System and session service manager configuration files

systemd.automount(5)

Automount unit configuration

systemd.device(5)

Device unit configuration

systemd.dnssd(5)

DNS-SD configuration

systemd.exec(5)

Execution environment configuration

systemd.kill(5)

Process killing procedure configuration

systemd.link(5)

Network device configuration

systemd.mount(5)

Mount unit configuration

systemd.negative(5)

DNSSEC trust anchor configuration files

systemd.netdev(5)

Virtual Network Device configuration

systemd.network(5)

Network configuration

systemd.nspawn(5)

Container settings

systemd.path(5)

Path unit configuration

systemd.positive(5)

DNSSEC trust anchor configuration files

systemd.preset(5)

Service enablement presets

systemd.resource-control(5)

Resource control unit settings

systemd.scope(5)

Scope unit configuration

systemd.service(5)

Service unit configuration

systemd.slice(5)

Slice unit configuration

systemd.socket(5)

Socket unit configuration

systemd.swap(5)

Swap unit configuration

systemd.target(5)

Target unit configuration

systemd.timer(5)

Timer unit configuration

systemd.unit(5)

Unit configuration

sysusers.d(5)

Declarative allocation of system users and groups

T

term(5)

format of compiled term file.

termcap(5)

terminal capability database

terminal-colors.d(5)

configure output colorization for various utilities

terminfo(5)

terminal capability data base

time.conf(5)

configuration file for the pam_time module

timesyncd.conf(5)

Network Time Synchronization configuration files

timesyncd.conf.d(5)

Network Time Synchronization configuration files

tmpfiles.d(5)

Configuration for creation, deletion and cleaning of v...

tmpfs(5)

a virtual memory filesystem

ttytype(5)

terminal device to default terminal type mapping

tzfile(5)

timezone information

U

ucf.conf(5)

site-wide configuration file for ucf

udev.conf(5)

Configuration for device event managing daemon

update-exim4.conf.conf(5)

Generate exim4 configuration files.

update-initramfs.conf(5)

configuration file for update-initramfs

user-dirs.conf(5)

configuration for xdg-user-dirs-update

user-dirs.defaults(5)

default settings for XDG user dirs

user-dirs.dirs(5)

settings for XDG user dirs

user-runtime-dir@.service(5)

System units to start the user manager

user.conf.d(5)

System and session service manager configuration files

user@.service(5)

System units to start the user manager

user_caps(5)

user-defined terminfo capabilities

user_clusters(5)

File linking users to PostgreSQL clusters

user_contexts(5)

The SELinux user contexts configuration files

utmp(5)

login records

utmpx(5)

login records

V

veritytab(5)

Configuration for verity block devices

virtual_domain_context(5)

The SELinux virtual machine domain context confi...

virtual_image_context(5)

The SELinux virtual machine image context configu...

W

wtmp(5)

login records

X

x509v3_config(5ssl)

X509 V3 certificate extension configuration format

x_contexts(5)

userspace SELinux labeling interface and configuration...

XCompose(5)

X client mappings for multi-key input sequences

Xsession(5)

initialize X session

Xsession.options(5)

configuration options for Xsession (5)

Xsession.options.d(5)

configuration options for Xsession (5)