netstat -tulpn | grep 80
grep -rnw 'path' -e 'pattern'
find /to/path -xdev -name pattern
tar xf /path/archive.tar.gz -C /to/path
Usage: set +x perm, move to bin and just call script. Example: last_mod.sh
find $1 -type f -print0 | xargs -0 stat --format '%Y :%y %n' | sort -nr | cut -d: -f2- | head