- DragonFly BSD
- FreeBSD
- NetBSD
- OpenBSD
- coreutils
- diffutils
- findutils
- util-linux
- go-coreutils (Go)
- mesabox (Rust)
- uutils (Rust)
- sh (POSIX shell)
- bash (GNU Bourne-again shell)
- ash (Almquist shell)
- dash (Debian Almquist shell)
- ksh93 (Korn shell)
- pdksh (Public domain Korn shell)
- mksh (MirBSD ksh)
- zsh (Z shell)
command.com
(MS-DOS shell)- FreeCOM (FreeDOS version of
command.com
) - Microsoft Windows command interpreter (
cmd.exe
,.bat
) - Microsoft PowerShell (
pwsh
,.ps1
)
- groff
- mandoc
- nroff
- troff
- One true awk
- Mawk
- Nawk
- Gawk
- Lex
- Flex
- Bison
- POSIX
make
- BSD
make
- GNU make (
gmake
) - Microsoft Visual Studio
nmake
- Open Watcom
make
- bind-utils (DNS)
- GNU libc (aka
glibc
) - BSD libc
- Lightweight