GNU

3dldf, a2ps, acct, acm, adns, aetherspace, alive, anubis, archimedes, aris, aspell, auctex, autoconf, autoconf-archive, autogen, automake, avl, ballandpaddle, barcode, bash, bayonne, bazaar, bc, bfd, binutils, bison, bool, bpel2owfn, c-graph, ccache, ccaudio, ccrtp, ccscript, cflow, cgicc, chess, cim, classpath, classpathx, clisp, cobol, combine, commoncpp, complexity, config, coreutils, cpio, cppi, cssc, dap, dc, ddd, ddrescue, dejagnu, denemo, dia, dico, diction, diffutils, dionysus, dismal, djgpp, dmd, dominion, dotgnu, dotgnu-forum, dotgnu-pnet, dr-geo, ed, edma, electric, emacs, emacs-muse, emms, enscript, eprints, epsilon, fdisk, ferret, findutils, fontutils, freedink, freefont, freeipmi, freetalk, fribidi, gama, garpd, gawk, gcal, gcc, gcide, gcl, gcompris, gdb, gdbm, gengen, gengetopt, gettext, gforth, ggradebook, ghostscript, gift, gimp, gleem, glib, global, glpk, glue, gmediaserver, gmorph, gmp, gnash, gnat, gnats, gnatsweb, gnome, gnowsys, gnu-arch, gnu-c-manual, gnu-crypto, gnu-queue, gnuae, gnubatch, gnubg, gnubiff, gnubik, gnucap, gnucash, gnucomm, gnue, gnufm, gnugo, gnuit, gnujdoc, gnujump, gnukart, gnulib, gnumach, gnumed, gnumeric, gnump3d, gnun, gnunet, gnupg, gnupod, gnuprologjava, gnuradio, gnurobots, gnuschool, gnushogi, gnuskies, gnusound, gnuspeech, gnuspool, gnustandards, gnustep, gnutls, gnutrition, gnuzilla, goldwater, goodbye, goptical, gorm, gpaint, gperf, gprolog, grabcomics, greg, grep, gretl, groff, grub, gsasl, gsegrafix, gsl, gsrc, gss, gtick, gtk+, gtypist, guile, guile-dbi, guile-gnome, guile-gtk, guile-ncurses, guile-rpc, gurgle, gv, gvpe, gxmessage, gzip, halifax, health, hello, help2man, hp2xx, httptunnel, hurd, hyperbole, icecat, idutils, ignuit, indent, inetutils, intlfonts, jacal, java-getopt, jdresolve, jel, jpeginfo, jwhois, kawa, kopi, lastlog, leg, less, ld, ldconfig, libc (glibc), libcdio, libextractor, libffcall, libgcrypt, libiconv, libidn, libmatheval, libmicrohttpd, libredwg, librejs, libsigsegv, libtasn1, libtool, libunistring, libxmi, lightning, lilypond, linux-libre, liquidwar6, lispintro, logrotate, lrzsz, lsh, m4, macchanger, mailman, mailutils, make, marst, maverik, mc, mcron, mcsim, mdk, mediagoblin, melting, metaexchange, metahtml, mifluz, mig, miscfiles, mit-scheme, moe, motti, mpc, mpfr, mtools, myserver, nana, nano, ncurses, nettle, network, ocrad, octave, oleo, orgadoc, osip, packaging, panorama, paperclips, parallel, parted, pascal, patch, paxutils, pcb, pdf, pem, pexec, pgccfd, phantom_home, phpgroupware, pies, pipo, pkg-config, plotutils, polyxmass, powerguru, proxyknife, pspp, psychosynth, pth, pythonwebkit, qexo, quickthreads, r, radius, rcs, readline, recutils, reftex, rottlog, rpge, rush, samba, sane, sather, scm, screen, sed, sendmail, serveez, sharutils, shishi, shmm, shtool, sipwitch, slib, smalltalk, smarteiffel, snakecharmer, social, solfege, sort, sourceinstall, spacechart, speex, spell, split, sqltutor, src-highlite, stalkerfs, stow, stump, superopt, swbis, systemctl, sysutils, talkfilters, tar, tee, termcap, termutils, teseq, teximpatient, texinfo, texmacs, thales, time, tramp, trans-coord, trueprint, units, unzip, unrtf, userv, uucp, vc-changelog, vc-dwim, vcdimager, vera, vmgen, vmslib, vsftpd, w3, wb, wdiff, websocket4j, webstump, wget, which, womb, xaos, xargs, xboard, xhippo, xlogmaster, xmlat, xnee, xorriso, zile

lsblk, fsck, fdisk, blkid

alias, apropos, apt-get, aptitude, aspell, at, awk, basename, bash, bc, bg, break, builtin, bzip2, cal, case, cat, cd, cfdisk, chgrp, chmod, chown, chroot, chkconfig, cksum, clear, cmp, comm, command, continue, cp, cron, crontab, csplit, cut, date, dc, dd, ddrescue, declare, df, diff, diff3, dig, dir, dircolors, dirname, dirs, dmesg, du, echo, egrep, eject, enable, env, ethtool, eval, exec, exit, expect, expand, export, expr, false, fdformat, fdisk, fg, fgrep, file, find, fmt, fold, for, format, free, fsck, ftp, function, fuser, gawk, getopts, grep, groupadd, groupdel, groupmod, groups, gzip, hash, head, help, history, hostname, iconv, id, if, ifconfig, ifdown, ifup, import, install, iptables, jobs, join, kill, killall, less, let, ln, local, locate, logname, logout, look, lpc, lpr, lprint, lprintd, lprintq, lprm, ls, lsof, make, makefile, man, mkdir, mkfifo, mkisofs, mknod, more, mount, mtools, mtr, mv, mmv, netstat, nice, nl, nohup, notify-send, nslookup, od, open, op, passwd, paste, pathchk, ping, pkill, popd, pr, printcap, printenv, printf, ps, pushd, pwd, quota, quotacheck, quotactl, ram, rcp, read, readarray, readonly, reboot, rename, renice, remsync, return, rev, rlogin, rm, rmdir, rpm, rsh, rsync, screen, scp, sdiff, sed, select, seq, set, sftp, shift, shopt, shutdown, sleep, slocate, sort, source, split, ssh, strace, su, sudo, sum, suspend, symlink, sync, tail, tar, tee, test, time, times, touch, top, traceroute, trap, tr, true, tsort, tty, type, ulimit, umask, umount, unalias, uname, unexpand, uniq, units, unset, unshar, until, updatedb, uptime, useradd, userdel, usermod, users, uuencode, uudecode, v, vdir, vi (vim), vmstat, wait, watch, wc, whereis, which, while, who, whoami, wget, write, xargs, xd-open, yes, yum, zip, ., <code>

Diff

diff, patch

Cutting

cut, head, tail, less, more, split, watch

Sort

uniq, sort

Hash

base64, md5sum, sha1sum, sha224sum, sha256sum, sha384sum, sha512sum

Clipboard

clip (Windows), pbcopy (Mac OSX), pbpaste (Mac OSX), xclip (Debian)

E.T.C

regexp, parallel

User

adduser, useradd, passwd, deluser, userdel, chpass, chfn, chsh, usermod

Group

gpasswd, addgroup, groupadd, groupmod, delgroup, groupdel

E.T.C

Linux:User, /etc/passwd, /etc/shadow, /etc/group

E.T.C

Filesystem

Logging

logrotate

Monitoring

watch

E.T.C

Linux

E.T.C

Linux:Network

Hardware (GUI)

hardinfo

Filesystem

lsof, lsblk, fsck, fdisk, blkid, du, df

Bluetooth

hciattach, hciconfig, hcitool, bluetoothctl, rfkill

Keyboard

showkey

E.T.C

Hardware, Linux:Hardware

Build

ld

E.T.C

GNU Binutils

E.T.C

mutex

Logging

dmesg

E.T.C

OS, Linux:Kernel:Module

E.T.C