NUM(1) — Unix Programmer’s Manual
NAME
num − number lines
SYNOPSIS
num [ file ... ]
DESCRIPTION
The lines in the specified files, or the standard input, are copied to the standard output preceded by line numbers. Formfeeds are left in column 1, and blank lines are printed without numbers. Tabs remain aligned in the output as the lines are printed preceded by the number blank padded to six digits and then 2 spaces.
SEE ALSO
AUTHORS
William Joy and Kirk McKusick
3rd Berkeley Distribution — 10/30/79