pr (Unix)
pr is a command on various operating systems that is used to paginate or columnate computer files for printing. It can also be used to compare two files side by side, as an alternative to diff.
| Original author(s) | Ken Thompson, Dennis Ritchie (AT&T Bell Laboratories) |
|---|---|
| Developer(s) | Various open-source and commercial developers |
| Initial release | November 3, 1971 |
| Operating system | Unix, Unix-like, Plan 9, OS-9, IBM i |
| Platform | Cross-platform |
| Type | Command |
| License | coreutils: GPLv3+ |
It is a required program in a POSIX-compliant environment and has been implemented by GNU as part of the GNU Core Utilities. The command is also available in the OS-9 shell.[1] The pr command has also been ported to the IBM i operating system.[2]
References
- 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). Retrieved 2020-09-05.
External links
- – Commands & Utilities Reference, The Single UNIX Specification, Issue 7 from The Open Group
- – Plan 9 Programmer's Manual, Volume 1
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