Learn some of the most important Linux commands.

Linux has over 1,000 commands on a basic service. When you migrate to the desktop, that number grows. For example, in /usr/bin on Pop!_OS there are 1,615 commands, and in /usr/sbin, there are 609.

More information on Linux permissions is available at these pages: A deeper dive into Linux permissions Unix beyond owner, group and everyone else Linux fundamentals: Viewing files, commands, ...

Linux provides a number of ways to control who has access to your files and what kind of access they have. Keeping your files private from anyone but those with superuser (root) access is easy on ...