1—User Commands

arbitrary TCP and UDP connections and listens

Query or modify the status of network links

log in to a new group

run a program with modified scheduling priority

show or set the system's host name domainname - show or set the system's NIS/YP domain name ypdomainname - show or set the system's NIS/YP domain name nisdomainname - show or set the system's NIS/YP domain name dnsdomainname - show the system's DNS domain name

number lines of files

list symbols from object files

run a command immune to hangups, with output to a non-tty

print the number of processing units available

run program in different namespaces

Convert numbers from/to human-readable strings

The Perl 5 language interpreter

The Perl 5 language interpreter

The Perl 5 language interpreter

how to submit bug reports on Perl

Perl Installation Verification Procedure

how to submit bug reports on Perl

explain error codes

checks for corruption in one or more PostgreSQL databases

take a base backup of a PostgreSQL cluster

reconstruct a full backup from an incremental backup and dependent backups

extract a PostgreSQL database into a script file or other archive file

extract a PostgreSQL database cluster into a script file

check the connection status of a PostgreSQL server

stream write-ahead logs from a PostgreSQL server

control PostgreSQL logical decoding streams

look up, signal, or wait for processes based on name and other attributes

restore a PostgreSQL database from an archive file created by pg_dump

verify the integrity of a base backup of a PostgreSQL cluster

wrapper for PostgreSQL client commands

look up, signal, or wait for processes based on name and other attributes

lightweight finger

look up, signal, or wait for processes based on name and other attributes

Rough tool to translate Perl4 .pl files to Perl5 .pm modules.

display dynamic shared objects linked into a process

report memory map of a process

persistent data and functions

convert .pod files to .html files

Convert POD data to formatted *roff input

Convert POD data to formatted ASCII text

print usage messages from embedded pod docs in files

check the syntax of POD format documentation files

convert text files for printing

print all or part of environment

format and print data

get and set process resource limits

Run tests through a TAP harness.

report a snapshot of the current processes.

PostgreSQL interactive terminal

a tar-like program written in perl

program that diffs an extracted archive against an unextracted one

Apply pattern matching to the contents of files in a tar archive

produce a permuted index of file contents

print name of current/working directory

report current working directory of a process

removes .pyc and .pyo files

byte compile Python 3 source files

print python3 version information

the Python documentation tool

the Python documentation tool

Python equivalent of xgettext(1)

Python equivalent of xgettext(1)

an interpreted, interactive, object-oriented programming language

an interpreted, interactive, object-oriented programming language

reindex a PostgreSQL database

rename files

alter priority of running processes

a string-replacement utility

initialize or reset terminal state

resolve numeric stack trace dump to symbols

reverse lines characterwise

print lines that match patterns

remove files or directories

remove empty directories

a script to setup restricted rsync users via ssh logins

a fast, versatile, remote (and local) file-copying tool

a helper script for connecting to an ssl rsync daemon

Elevate privileges

run command with specified security context

run a command with substitute user and group ID

Vi IMproved, a programmer's text editor

Vi IMproved, a programmer's text editor

side-by-side merge of file differences

stream editor for filtering and transforming text

select your default sensible-editor from all installed editors

sensible web browsing

launch sensibly chosen text editor

sensible paging

sensible terminal emulator

print a sequence of numbers

run a program with different Linux privilege settings

run a program in a new session

set terminal attributes

OpenSSH secure file transfer

log in to a new group

command interpreter (shell)

compute and check SHA1 message digest

compute and check SHA224 message digest

compute and check SHA256 message digest

compute and check SHA384 message digest

compute and check SHA512 message digest

Print or Check SHA Checksums

overwrite a file to hide its contents, and optionally delete it

generate random permutations

list section sizes and total size of binary files

send a signal or report process status

display kernel slab cache information in real time

delay for a specified amount of time

send a signal or report process status

sort lines of text files

produce verbose warning diagnostics

split a file into pieces

read and display shared object profiling data

An OpenPGP signature verification tool

OpenSSH remote login client

adds private key identities to the OpenSSH authentication agent

OpenSSH authentication agent

replaces the old ssh command-name as hostname handling

use locally available keys to authorise logins on a remote machine

OpenSSH authentication key utility

gather SSH public keys from servers

display file or file system status

Run COMMAND, with modified buffering operations for its standard streams.

create a zip file from stdin

print the sequences of printable characters in files

discard symbols and other data from object files

change and print terminal line settings

run a command with substitute user and group ID

checksum and count the blocks in a file

Synchronize cached writes to persistent storage

Control the systemd system and service manager

systemd system and service manager

Report whether we are connected to an external power source

Analyze and debug system manager

Query the user for a system password

Connect a pipeline or program's output with the journal

Recursively show control group contents

Show top control groups by their resource usage

Lists, shows, encrypts and decrypts service credentials

Find overridden configuration files

Detect execution in a virtualized environment

Escape strings for usage in systemd unit names

Initialize basic system settings on or before the first boot-up of a system