====== Shell ====== ===== Process Every File in Directory ===== find /some/directory -maxdepth 1 -type f -exec cmd option {} \; > results.out ===== Find File by Content ===== find . -type f -name "*.java" -print | xargs grep "window" ===== Display Specific Column from Text ===== cat * | awk '{print $2}' ===== List all open ports for one process ===== netstat -anp46 | grep LISTEN | grep ===== Redirect stderr and stdout ===== test.sh &> /tmp/log {{tag>linux}}