Yes, that’s the exit code and it’s meant to indicate that the pwd command you just used ran without any errors. An exit code of 0 always indicates that no problems were encountered.

The name of this command always trips up new users at first. When I first started working with Linux, it took me a while for my fingers to remember the command is passwd and not password.

By default, the code uses pcd, although you can set up any name you like on the command line. You could even create an alias for cd if you wanted to do that. Why Not Automatic?

Viewing exit codes First, it’s important to remember that a successful exit code (a.k.a. “return code”) on Linux systems is 0. Think of this as meaning “zero errors”.

This command compresses the three .txt files into a single .zip file named files.zip . Deleting a file from a zip archive: To remove a file from an existing zip archive, use the -d command-line option ...

One of the most valuable utilities offered by Unix and Linux-based systems is the wc command. This versatile command stands for "word count" and offers you a simple, yet powerful way to analyze text ...