Frage im Vorstellungsgespräch bei Meta: What does "$?" mean in bash?

Frage im Vorstellungsgespräch bei Meta

What does "$?" mean in bash?

Anonym

6. Dez. 2019

returns the status code of the last executed command

Anonym

21. Mai 2022

The exit code of the last executed command.

Anonym

21. Mai 2022

The exit code of the last executed command.

Anonym

9. März 2019

How would you suggest preparing for the systems interview round? I have never given a systems interview before and am about to start my preparation.

Anonym

30. Okt. 2019

referencing or retrieving the value of a variable