Linux has hundreds of commands. Thankfully, you only need to know a handful.
The word apropos means “fitting and to the point”. As a command on a Linux system, its role is to identify commands that relate to the particular terms that you are asking about – such as files, lists ...
I learned Linux in the 90s when the command line was mandatory - and it's still the best place to start. I remember when I started using Linux in the late 1990s. Back then, using the command line wasn ...
The eval command allows you to run the contents of variables as commands and can be very useful, especially in scripts. There are probably a lot of Linux users who have never encountered the eval ...