Make your most-used commands work the way you want them to.

The which command is the simplest of the three. When you use it to ask about a Linux command, it will run down your search path looking for executable files by the name you specify. These can be ...

The which command will show you the file-system location for a command’s executable. This is the file that is read and run whenever you type the command name. In the example below, there are two or ...

Why change defaults: Many Linux commands still use settings designed for 1970s hardware, which can be inefficient or risky for today’s interactive users. Simple safety boosts: Adding interactive ...