Which command is used to re-execute the previous command?
a) !!
b) !cat
c) !3
d) !$
Submitted by: Murtazaa) !!
Explanation:'!cat' will re-execute the last cat command, '!3′ will re-execute the third last command and '!$' will execute the last argument of previous command.
Submitted by: Murtaza
Explanation:'!cat' will re-execute the last cat command, '!3′ will re-execute the third last command and '!$' will execute the last argument of previous command.
Submitted by: Murtaza
Read Online Bash Arithmetic Expressions Job Interview Questions And Answers
Top Bash Arithmetic Expressions Questions
| ☺ | Which command puts a script to sleep untill a signal is recieved? |
| ☺ | Which statement resumes the next iteration of a for, while, select, or until loop? |
| ☺ | Which command sets up shorthand for command or command line? |
| ☺ | Which command concatenate the specified argument into a single command, then execute the command? |
| ☺ | Which command identifies the resource of a command? |
Top Linux OS Categories
| ☺ | Device Drivers Interview Questions. |
| ☺ | Linux OS Management Interview Questions. |
| ☺ | Linux Makefile Interview Questions. |
| ☺ | Linux Environment Interview Questions. |
| ☺ | Linux OS Shell Interview Questions. |
