V3/usr/man/man1/ov.1

Find at most related files.
including files from this version of Unix. 
.pa 1
.he 'OV (I)'6/12/72'OV (I)'
.ti 0
NAME		ov -- overlay pages
.sp
.ti 0
SYNOPSIS	ov__ [ file ]
.sp
.ti 0
DESCRIPTION	ov__
is a postprocessor for producing double column formatted
text when using nroff(I).
ov__
literally overlays successive pairs of 66-line pages.

If the file argument is missing,
the standard input is used.
Thus ov__ may be used as a filter.
.sp
.ti 0
FILES		none
.sp
.ti 0
SEE ALSO	nroff(I), pr(I)
.sp
.ti 0
DIAGNOSTICS	none
.sp
.ti 0
BUGS		Other page lengths should be permitted.