LinuxCommand

Learning the shell

Writing shell scripts

Script library

SuperMan pages

Who, What, Where, Why

SuperMan Pages: u

Command Description Package
ud

interactive LDAP Directory Server query program

openldap-clients

uic

Qt user interface compiler

qt-devel

uil

The user interface language compiler .iX user interface language .iX user interface language compiler .iX uil .iX uil compiler

openmotif-devel

ulimit

bash built-in commands, see bash(1)

bash

ul

do underlining

util-linux

umask

bash built-in commands, see bash(1)

bash

umount

unmount file systems

mount

unalias

bash built-in commands, see bash(1)

bash

uname

print system information

sh-utils

unbin

Macintosh file format transformer

netatalk

unbuffer

unbuffer output

expect

uncompress

compress and expand data (version 4.1)

ncompress

unexpand

convert spaces to tabs

textutils

unhex

Macintosh file format transformer

netatalk

uniq

remove duplicate lines from a sorted file

textutils

units

unit conversion program

units

unix2dos

UNIX to DOS text file format converter

unix2dos

unlink

call the unlink function to remove the specified file

fileutils

unset

bash built-in commands, see bash(1)

bash

unshar

unpack a shar file

sharutils

unsingle

Macintosh file format transformer

netatalk

unstr

dump strings in pointer order

fortune-mod

unzip

list, test and extract compressed files in a ZIP archive

unzip

unzipsfx

self-extracting stub for prepending to ZIP archives

unzip

updatedb

update the slocate database

slocate

updfstab

update /etc/fstab to reflect removable devices

kudzu

upsc

example lightweight UPS client

nut

upscmd

UPS administration program for instant commands

nut

upsct2

UPS variable administration tool

nut

upsct

example UPS client using TCP sockets

nut

upsd

UPS information server

nut

upsdrvctl

UPS driver controller

nut

upslog

UPS status logger

nut

upsmon

UPS monitor and shutdown controller

nut

upssched

Timer helper for scheduling events from upsmon

nut

uptime

Tell how long the system has been running

procps

urlview

URL extractor/launcher

mutt

usbmodules

List kernel driver modules available for a plugged in USB device

usbutils

useradd

Create a new user or update default new user information

shadow-utils

userdel

Delete a user account and related files

shadow-utils

userhelper

A helper interface to pam

usermode

userinfo

A graphical equivilient to chfn

usermode-gtk

usermod

Modify a user account

shadow-utils

usermount

A graphical tool to mount, unmount and format filesystems

usermode-gtk

usernetctl

allow a user to manipulate a network interface if permitted

initscripts

userpasswd

A graphical tool to allow users to change their passwords

usermode-gtk

users

print the user names of users currently logged in to the current host

sh-utils

usleep

sleep some number of microseconds

initscripts

uucico

UUCP file transfer daemon

uucp

uucp

Unix to Unix copy

uucp

uudecode

decode a file created by uuencode

sharutils

uuencode

encode a binary file

sharutils

uuidgen

command-line utility to create a new UUID value

e2fsprogs

uustat

UUCP status inquiry and control

uucp

uux

Remote command execution over UUCP

uucp

uuxqt

UUCP execution daemon

uucp