This means, if you’re working in a checked-out repository, you might not be able to find the files you're expecting. You can ...

The tar command on Linux is used to create and extract TAR archive files. Run "tar -czvf archive-name.tar.gz /path/to/file” ...

I've used many Linux distros over the years, and this is the one I recommend the most. Here's why and how to try it.

Many Linux commands can do more than you might think. The usermod command is one such command, and it can be very handy.