3BSD/usr/man/man1/num.1

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.TH NUM 1 10/30/79
.UC
.SH NAME
num \- number lines
.SH SYNOPSIS
.B num
[
file ...
]
.SH 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.
.SH SEE\ ALSO
cat(1), pr(1)
.SH AUTHORS
William Joy and Kirk McKusick