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util-linux is a package of utilities distributed by the Linux Kernel Organization for use in a Linux operating system. A fork, util-linux-ng (with ng meaning "next generation"), was created when development stalled,cite-ref-4[4] but as of January 2011 has been renamed back to util-linux, and is the official version of the package.cite-ref-5[5]

• Content

• Removed content

• See also

• Notes

• References

• External links

The package includes the following utilities:

• addpart

• agetty

• blkdiscardcite-ref-6[6]

• blkid

• blkzone

• blockdev

• cal

• cfdisk

• chcpu

• chfn

• chmem

• choom

• chrt

• chsh

• col (legacy)cite-ref-legacy-7-0[7]

• colcrt

• colrm

• column

• ctrlaltdel

• delpart

• dmesg

• eject

• fallocate

• fdformat

• fdisk

• fincore

• findfs

• findmnt

• flock

• fsck

• fsck.cramfs

• fsck.minix

• fsfreeze

• fstrim

• getopt

• hardlink

• hexdump

• hwclockcite-ref-8[a]

• ionice

• ipcmk

• ipcrm

• ipcs

• irqtopcite-ref-9[8]

• isosize

• kill

• last

• ldattach

• line (legacy)cite-ref-legacy-7-1[7]

• logger

• login

• look

• losetup

• lsblk

• lscpucite-ref-10[9]

• lsfdcite-ref-11[b]

• lsipc

• lsirqcite-ref-12[10]

• lslocks

• lslogins

• lsmem

• lsns

• mcookie

• mesg

• mkfs (legacy)cite-ref-legacy-7-2[7]

• mkfs.bfs

• mkfs.cramfs

• mkfs.minix

• mkswap

• more

• mount

• mountpoint

• namei

• newgrp

• nologin

• nsenter

• partx

• pg (legacy)cite-ref-legacy-7-3[7]

• pivot_root

• prlimitcite-ref-13[11]

• raw

• readprofile

• rename

• renice

• reset (legacy)cite-ref-legacy-7-4[7]

• resizepart

• rev

• rfkill

• rtcwake

• runuser

• script

• scriptlive

• scriptreplay

• setarchcite-ref-14[c]

• setpriv

• setsid

• setterm

• sfdisk

• su

• sulogin

• swaplabel

• swapoff

• swapon

• switch_root

• taskset

• tunelp (deprecated)cite-ref-15[12]

• ul

• umount

• unshare

• utmpdump

• uuidd

• uuidgen

• uuidparse

• vipwcite-ref-16[d]

• wall

• wdctl

• whereis

• wipefs

• write

• zramctl

Utilities formerly included, but removed as of 1 July 2015:

• archcite-ref-17[13]

• chkdupexecite-ref-18[14]

• clockcite-ref-19[15]

• cytunecite-ref-20[16]

• ddatecite-ref-23[e]

• elvtunecite-ref-24[19]

• fastbootcite-ref-simpleinit-25-0[20]

• fasthaltcite-ref-simpleinit-25-1[20]

• haltcite-ref-simpleinit-25-2[20]

• initctlcite-ref-simpleinit-25-3[20]

• ramsizecite-ref-to-rdev-27-0[f]

• rdevcite-ref-rdev-26-1[21]

• rebootcite-ref-simpleinit-25-4[20]

• rootflagscite-ref-to-rdev-27-1[f]

• shutdowncite-ref-simpleinit-25-5[20]

• simpleinitcite-ref-simpleinit-25-6[20]

• tailfcite-ref-tailf-28-0[22]

• vidmodecite-ref-to-rdev-27-2[f]

• BusyBox – Collection of Unix tools in single executable file

• CUPS – Computer printing system

• GNU Core Utilities – Collection of standard, Unix-based utilities from GNU

• Toybox – Collection of Unix tools in single executable file

• uname – Standard UNIX utility that prints name and other details about the machine

cite-note-8a. ↑ cquery and set the hardware clock (RTC)

cite-note-11b. ↑ modern replacement for lsof

cite-note-14c. ↑ including architecture symlinks such as i386, linux32, linux64, x86_64, etc.

cite-note-16d. ↑ including symlink to vigr

cite-note-23e. ↑ removed from default buildcite-ref-21[17] before being removedcite-ref-22[18] altogether

cite-note-to-rdev-27f. ↑ formerly a symlink to rdevcite-ref-rdev-26-0[21]

cite-note-wikidata-aa3dd4ad88dd52773ffcbf3ca2d8eccab09f9754-v20-11. "[ANNOUNCE] util-linux v2.41.1". 24 June 2025. Retrieved 24 June 2025.

cite-note-22. "Translation Project util-linux textual domain". 2022. Retrieved 2022-06-04.

cite-note-33. "README.licensing". util-linux source tree. Retrieved 20 February 2016.

cite-note-44. ↑ citerefkarel-zak2006Karel Zak (2006-12-18). "[ANNOUNCE] util-linux-ng fork". Retrieved 2014-04-12.

cite-note-55. ↑ citerefkarel-zak2010Karel Zak (2010-12-01). "[ANNOUNCE] util-linux without -ng". Retrieved 2014-04-12.

cite-note-66. ↑ "blkdiscard(8) - Linux manual page". July 2014. Retrieved 2020-01-13.

cite-note-legacy-77. ↑ "Documentation/deprecated.txt". util-linux. 2014-04-07. Retrieved 2015-07-01.

cite-note-98. ↑ "Release v2.36 notes".

cite-note-109. ↑ "lscpu manual".

cite-note-1210. ↑ "Release v2.36 notes".

cite-note-1311. ↑ citerefkarel-zak2012Karel Zak (2012-01-25). "prlimit(1)". Retrieved 2020-01-13.

cite-note-1512. ↑ citerefsami-kerola2012Sami Kerola (2012-12-16). "tunelp: deprecation: remove command from default build". util-linux. Retrieved 2014-04-12.

cite-note-1713. ↑ citerefkarel-zak2013Karel Zak (2013-03-14). "arch: remove the command, deprecated since 2.13, use coreutils version". util-linux. Retrieved 2015-07-01.

cite-note-1814. ↑ citerefkarel-zak2013Karel Zak (2013-03-14). "chkdupexe: remove, deprecated for years". util-linux. Retrieved 2015-07-01.

cite-note-1915. ↑ citerefkarel-zakKarel Zak. "clock: Dropped entirely. Use hwclock". util-linux. Retrieved 2015-07-01.

cite-note-2016. ↑ citerefsami-kerola2014Sami Kerola (2014-05-11). "cytune: remove from util-linux". util-linux. Retrieved 2015-07-01.

cite-note-2117. ↑ citerefkarel-zak2011Karel Zak (2011-08-18). "build-sys: add --enable-ddate". util-linux. Retrieved 2014-04-12.

cite-note-2218. ↑ citerefsami-kerola2012Sami Kerola (2012-10-08). "ddate: remove from util-linux". util-linux. Retrieved 2015-07-01.

cite-note-2419. ↑ citerefsami-kerola2013Sami Kerola (2013-08-17). "build-sys: complete elvtune removal". util-linux. Retrieved 2015-07-01.

cite-note-simpleinit-2520. ↑ citerefkarel-zak2011Karel Zak (2011-06-08). "simpleinit: remove this deprecated set of utils". util-linux. Retrieved 2014-04-12.

cite-note-rdev-2621. ↑ citerefkarel-zak2010Karel Zak (2010-05-13). "rdev: remove this deprecated command". util-linux. Retrieved 2014-04-12.

cite-note-tailf-2822. ↑ citerefsami-kerola2017Sami Kerola (2017-04-02). "tailf: remove deprecated utility". util-linux.

• The util-linux code repository.

• pub/linux/utils/util-linux on Kernel.org

• util-linux development discussion and bug reporting mailing list

• Karel Zak's blog, the blog of the current maintainer