!mkdir dir
!mkdir dir/subdir
lcd dir/subdir
lpwd
#/.*/dir/subdir
lcd ..
lpwd
#/.*/dir
lls
#subdir
!touch \\
lls -1 "\\"
#\\
anything "
#.*unterminated string

nosuchcommand
#.*unknown command:.*
cd stupid stupid stupid
#.*wrong number of arguments.*
quit
