Last Updated: 2023-09-18

Some key points:

  • GNU is a recursive acronym for "GNU's Not Unix!"
  • GNU's design is Unix-like, but differs from Unix by being free software and containing no Unix code.
  • The "free software" concept originated from the GNU project.
  • Most of GNU is licensed under the General Public License (GPL).

GNU Bash shell (Bash)

Read more: Bash

GNU C library (glibc)

The GNU C Library.

GNU Compiler Collection (GCC)

For building C / C++.

GNU Core Utilities (coreutils)

The GNU Core Utilities or coreutils is a package of GNU software containing implementations for many of the basic tools, such as cat, ls, and rm.

On mac:

$ brew install coreutils ed findutils gawk gnu-sed gnu-tar grep make

GNU Debugger (GDB)

A portable debugger.

GNU Binary Utilities (binutils)

A set of programming tools for creating and managing binary programs, object files, libraries, profile data, and assembly source code.


Read more: Linux - Desktop Environment

GIMP: GNU Image Manipulation Program

A free and open-source raster graphics editor.


Packages and Binraries

  • coreutils: [, b2sum, base32, base64, basename, basenc, cat, chcon, chgrp, chmod, chown, chroot, cksum, comm, cp, csplit, cut, date, dd, df, dir, dircolors, dirname, du, echo, env, expand, expr, factor, false, fmt, fold, groups, head, hostid, id, install, join, kill, link, ln, logname, ls, md5sum, mkdir, mkfifo, mknod, mktemp, mv, nice, nl, nohup, nproc, numfmt, od, paste, pathchk, pinky, pr, printenv, printf, ptx, pwd, readlink, realpath, rm, rmdir, runcon, seq, sha1sum, sha224sum, sha256sum, sha384sum, sha512sum, shred, shuf, sleep, sort, split, stat, stdbuf, stty, sum, sync, tac, tail, tee, test, timeout, touch, tr, true, truncate, tsort, tty, uname, unexpand, uniq, unlink, uptime, users, vdir, wc, who, whoami, yes
  • binutils: ld (the GNU linker), as (the GNU assembler), gold (a new, faster, ELF only linker), gprof (profiler), nm (list symbols exported by object file) etc.
  • ed: ed, red
  • gawk: awk
  • grep: egrep, fgrep, grep
  • gnu-sed: sed
  • gnu-tar: tar
  • make: make
  • findutils: find, locate, updatedb, xargs