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pr (Unix)

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pr
Original authors	Ken Thompson, Dennis Ritchie (AT&T Bell Laboratories)
Developers	Variousopen-source andcommercial developers
Initial release	November 3, 1971; 54 years ago (1971-11-03)
Operating system	Unix,Unix-like,Plan 9,OS-9,IBM i
Platform	Cross-platform
Type	Command
License	coreutils:GPLv3+

pr is acommand on variousoperating systems that is used to paginate or columnatecomputer files for printing. It can also be used to compare two files side by side, as an alternative todiff.

It is a required program in aPOSIX-compliant environment and has been implemented byGNU as part of theGNU Core Utilities. The command is available as a separate package forMicrosoft Windows as part of theUnxUtils collection ofnative Win32 ports of common GNU Unix-like utilities.^[1] It is also available in theOS-9 shell.^[2] Thepr command has also been ported to theIBM i operating system.^[3]

References

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^"Native Win32 ports of some GNU utilities".unxutils.sourceforge.net.
^Paul S. Dayan (1992).The OS-9 Guru - 1 : The Facts. Galactic Industrial Limited.ISBN 0-9519228-0-7.
^IBM."IBM System i Version 7.2 Programming Qshell"(PDF).IBM. Retrieved2020-09-05.

External links

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pr – Shell and Utilities Reference,The Single UNIX Specification, Version 5 fromThe Open Group
pr(1) – Plan 9 Programmer's Manual, Volume 1

v t e Unix command-line interface programs andshell builtins
File system	cat chattr chmod chown chgrp cksum cmp cp dd du df file fuser ln ls mkdir mv pax pwd rm rmdir split tee touch type umask
Processes	at bg crontab fg kill nice ps time
User environment	env exit logname mesg talk tput uname who write
Text processing	awk basename comm csplit cut diff dirname ed ex fold head iconv join m4 more nl paste patch printf read sed sort strings tail tr troff uniq vi wc xargs
Shell builtins	alias cd echo test unset wait
Searching	find grep
Documentation	man
Software development	ar ctags lex make nm strip yacc
Miscellaneous	bc cal expr lp od sleep true and false
Categories Standard Unix programs Unix SUS2008 utilities List

v t e GNU Core Utilities command-line interface programs
File system	chcon chmod chown chgrp cksum cp dd df dir dircolors install ln ls mkdir mkfifo mknod mktemp mv realpath rm rmdir shred sync touch truncate vdir
Text utilities	b2sum base32 base64 cat cksum comm csplit cut expand fmt fold head join md5sum nl numfmt od paste ptx pr sha1sum shuf sort split sum tac tail tr tsort unexpand uniq wc
Shell utilities	arch basename chroot date dirname du echo env expr factor false groups hostid id link logname nice nohup nproc pathchk pinky printenv printf pwd readlink runcon seq sleep stat stdbuf stty tee test timeout true tty uname unlink uptime users who whoami yes

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