SYNOPSIS grep [options] PATTERN [FILE...] grep [options] [-e PATTERN | -f FILE] [FILE...] DESCRIPTION Grep searches the named input FILEs (or standard input if no files are named, or the file name - is given) for lines containing a match to the given PATTERN. By default, grep prints the matching lines. In addition, two variant programs egrep and fgrep are available. Egrep is the same as grep -E. Fgrep is the same as grep -F. OPTIONS REGULAR EXPRESSIONS ENVIRONMENT VARIABLES DIAGNOSTICS BUGS |} From HowTo Wiki, a Wikia wiki.