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What does "$?" mean in bash?

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Anónimo

6 dic 2019

returns the status code of the last executed command

7

Anónimo

21 may 2022

The exit code of the last executed command.

Anónimo

21 may 2022

The exit code of the last executed command.

Anónimo

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.

Anónimo

30 oct 2019

referencing or retrieving the value of a variable