.bp 
.au "TSC \- intro.xx"

.c
The Pgrep Program

.2
\f(BIPgrep\fB is a simple but useful program to find out all 
the executables in your path whose names match a given regular
expression.

.2
This program uses the 
.T opendir
and 
.T readdir
interface for accessing directories instead
of the 
.T <*>
globbing method.

.2
Notice the use of the 
.T /o
flag on the pattern match.  This is important for the sake
of efficiency.