NAME grep, egrep, fgrep, rgrep - print lines that match patterns SYNOPSIS grep [ OPTION ...] PATTERNS [ FILE ... input. Debian also includes the variant programs egrep , fgrep and …NAME grep, egrep, fgrep, rgrep - print lines that match patterns SYNOPSIS grep [ OPTION ...] PATTERNS [ FILE ... input. Debian also includes the variant programs egrep , fgrep and …NAME grep, egrep, fgrep, rgrep - print lines that match patterns SYNOPSIS grep [ OPTION ...] PATTERNS [ FILE ... input. Debian also includes the variant programs egrep , fgrep and …NAME grep, egrep, fgrep, rgrep - print lines that match patterns SYNOPSIS grep [ OPTION ...] PATTERNS [ FILE ... input. Debian also includes the variant programs egrep , fgrep and …essentially the same as those in egrep (1). See https://www.gnu.org/software/gawk/manual/html_node/Regexp.html for the details ... gawk has too many features. SEE ALSO egrep (1), s…essentially the same as those in egrep (1). See https://www.gnu.org/software/gawk/manual/html_node/Regexp.html for the details ... gawk has too many features. SEE ALSO egrep (1), s…essentially the same as those in egrep (1). See https://www.gnu.org/software/gawk/manual/html_node/Regexp.html for the details ... gawk has too many features. SEE ALSO egrep (1), s…