Editing Nl (Unix) (section)

== History ==
{{code|nl}} is part of the [[X/Open]] Portability Guide since issue 2 of 1987. It was inherited into the first version of POSIX.1 and the [[Single Unix Specification]].<ref>{{man|cu|nl|SUS}}</ref> It first appeared in [[System V]] release 2.<ref>{{man|1|nl|FreeBSD}}</ref>

The version of <code>nl</code> bundled in [[GNU]] [[coreutils]] was written by Scott Bartram and David MacKenzie.<ref>{{man|1|nl|ManKier}}</ref>

The command is available as a separate package for [[Microsoft Windows]] as part of the [[UnxUtils]] collection of [[Native (computing)|native]] [[Windows API|Win32]] [[porting|ports]] of common GNU Unix-like utilities.<ref>{{Cite web|url=http://unxutils.sourceforge.net/|title=Native Win32 ports of some GNU utilities|website=unxutils.sourceforge.net}}</ref>