Which command is used to reexecute the previous command?
A. !!
B. !cat
C. !3
D. !$
Answer:A
Which command is used to reexecute the previous command?
A. !! B. !cat C. !3 D. !$
Explanation:’!cat’ will reexecute the last cat command, ‘!3’ will reexecute the third last command and ‘!$’ will execute the last argument of previous command.