.TH GROUP.CHK 1 "December 31, 1989"
.UC 4
.SH NAME
group.chk  \- Checks group file(s) for inconsistencies.
.SH SYNOPSIS
.B group.chk
.SH DESCRIPTION
.I group.chk
checks the group files -- /etc/group and ypgroup if yellow pages are being
used -- for incorrect number of fields, duplicate groups, non-alphanumeric
group names, blank lines, and non-numeric group id's. 
.SH FILES
.br
.nf
/etc/group
group.chk uses the process id as a temporary file name for the ypchecking.
.fi
.SH "SEE ALSO"
.br
.nf
group(5)
.fi
Awk part based on _passwd_ from _The AWK Programming Language_, page 78.
.SH BUGS
It doesn't use the exact syntax of yellow pages to check for errors.
