chsh
change your shellnano -Sw .profile
change your own settings (substitute nano with your favourite text editorpasswd
changes current user’s passwordecho $SHELL
prints your running shellmount -t cd9660 -o ro /dev/cd0a [directory]
mounts most internal optical drivesmount -t msdos /dev/fd0a /mnt
mounts an dos formatted diskumount [directory]
unmount volumeeject /dev/cd0a
makes a cupholder accessible
