touch: missing file operand
Try 'touch --help' for more information.
No command 'aaa' found, did you mean:
Command 'aha' from package 'aha' (universe)
Command 'ara' from package 'ara' (universe)
Command 'aa' from package 'astronomical-almanac' (universe)
Command 'jaaa' from package 'jaaa' (universe)
aaa: command not found