Type the following at the prompt:
touch ab abc a1 a2 a3 all a12 ba ba.1 ba.2 filex filey AbC ABC ABc2 abc
Write and test the command that will do the following:
List all files starting with a .
List all files ending in at least one digit.
List all files starting with an a or A .
List all files ending in a period, followed by a digit.
List all files containing just two of the letter a .
List three-character files where all letters are uppercase.
List files ending in 11 or 12 .
List files ending in x or y .
List all files ending in a digit, an uppercase letter, or a lowercase letter.
List all files containing the letter b .
Remove two-character files starting with an a .