Resources

Review

Terms

• Kernel
• Processes
• PID, memory, cpu usage
• process ancestry: init
  • /sbin/init (PID?)
• process ownership: uid, gid?

More Topics

• System RAM, free, used, buffers, caches
• System disk, free, used, reserved
• System cpu, usage idle, user, system, wait,
• System swap
• Nice values?

Cron

• What is it?
• How does it work?
• File format?
• crontab -e
• crontab -l

Commands?

• kill, killall
• df
• du
• jobs, fg, bg, cntrol + z
• top
• &
• cntrl + c