Domanda di colloquio di Meta

What does "$?" mean in bash?

Risposte di colloquio

Anonimo

6 dic 2019

returns the status code of the last executed command

7

Anonimo

21 mag 2022

The exit code of the last executed command.

Anonimo

21 mag 2022

The exit code of the last executed command.

Anonimo

9 mar 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.

Anonimo

30 ott 2019

referencing or retrieving the value of a variable