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 …/tmp/etc # mount --bind /mnt/etc /tmp/etc # cat /proc/self/mountinfo | egrep '/mnt|/tmp ... /tmp/etc # mount --make-shared /tmp/etc # cat /proc/self/mountinfo | egrep '/mnt|/tmpNAME 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…/bin/ls | grep libc.so | awk '{print $3}' ) | \ egrep -i 'threads|nptl' Native POSIX Threads Library ... /bin/ls | grep libc.so | \ awk '{print $3}' ) | egrep -i 'threads|nptl' lin…effective capabilities: bash$ cat /proc/$$/status | egrep ... bash$ cat /proc/$$/status | egrep '^Cap(Prm|Inh|Eff)' CapInh: 0000000000000000 CapPrm: 0000001fffffffff CapEff: 000000…forms: modern REs (roughly those of egrep (1); POSIX.2 calls these "extended" REs) and obsoleteforms: modern REs (roughly those of egrep (1); POSIX.2 calls these "extended" REs) and obsoletename mykey and ID 20d035bf . $ cat /proc/keys | egrep 'mykeycores, each with two CPUs: $ lscpu | egrep -i 'core.*:|socket' Thread(s) per corecores, each with two CPUs: $ lscpu | egrep -i 'core.*:|socket' Thread(s) per core