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Linux Commands Index - U

Below given are the list of Linux commands which starts with U. We have provided a breif description for each command. To know more about each command and its usage try the following.

man command-name

man uname


List of all Linux Commands Under Index - U


Index - U

ul (1) - do underlining

umount (8) - unmount file systems
umount [mount] (2) - mount and unmount filesystems
umount.cifs [umount] (8) - for normal, non-root users, to unmount their own Common Internet File System (CIFS) mounts
umount.nfs [umount] (8) - unmount a Network File System
umount.nfs4 [umount] (8) - unmount a Network File System

uname (1) - print system information
uname (1p) - return system name
uname (2) - get name and information about current kernel
uname (3p) - get the name of the current system

unexpand (1) - convert spaces to tabs
unexpand (1p) - convert spaces to tabs

unicode_start (1) - put keyboard and console in unicode mode

unicode_stop (1) - revert keyboard and console from unicode mode

uniq (1) - report or omit repeated lines
uniq (1p) - report or filter out repeated lines in a file

uptime (1) - Tell how long the system has been running

useradd (8) - create a new user or update default new user information

userdel (8) - delete a user account and related files

usermod (8) - modify a user account

users (1) - print the user names of users currently logged in to the current host

usleep (1) - sleep some number of microseconds
usleep (3) - suspend execution for microsecond intervals
usleep (3p) - suspend execution for an interval

uudecode (1p) - decode a binary file

uuencode (1p) - encode a binary file

uuidgen (1) - command-line utility to create a new UUID value


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