1. Show the translate command that will delete the characters listed below from a file called foo.

Characters to delete are listed below

! @ % ; : ( )

Ampersand, at sign, percentage sign, semicolon, colon, left parentheses, and the right parentheses.

2. Given the following command $egrep [ac][1-4] foo.txt

List all possible matches that egrep will find.

3. Explain the following command.

$ egrep ^[^1] foo.txt