Job offersCompaniesTestsBlogI'm an employerSign upLog in
Home>IT Tests>Questions>What is the output of the following command? echo $?

Question from the Linux test

What is the output of the following command? echo $?

Hard

What does the variable "$?" expand to?

Author: Kevin LefevreStatus: PublishedQuestion passed 904 times
Edit
1
Community EvaluationsNo one has reviewed this question yet, be the first!
Similar Questions
More questions about Linux System
5
Configure the /etc/resolv.conf file to use the following nameservers: 10.1.1.1, 10.2.2.2, 10.3.3.3.
4
List running processes.
3
What does the `-p` option do in `passwd` command?
2
Change file mode bits.
2
How to create a snapshot of a logical volume in Linux