Looping: for i in $(seq 0 10); do ls; done watch -n 1 ls -la watch -n 1 cat someting.txt Find Strings in files grep -H -i "Some Text Here" * -R | cut -d: -f1 | sort -u Grep without comment grep -vE '^#|^;|^$' /etc/php.ini Find files and list locate .pem |xargs ls -lah Copy to clipboard cat test.txt | xclip -selection clipboard