cd (change dir) exit (quit) ls dir list contents of dir -l long format -a all -la all, long pwd (print working dir) top (running processes) mount -t filesystem device mountpoint (ex: mount -t vfat /dev/sda1 /mnt/usbdrive) tail /var/log/messages find out what devices are plugged in cp -R /new/dls/ ~/docs/ copies dls directory to ~/docs/dls