File and Command Monitoring

tail

• monitor files as they're being written
• sudo tail -f /var/log/apache2/access.log
• -f continuously updates the output
• -n<Number of lines to output>

watch

• run a command at a specific interval (default 2 sec)
• watch -n 5 w
• -n <Number of interval in seconds>

Relevant Note(s): Linux Basics