Also: 5 Linux commands you need to know to troubleshoot problems For example, if you install LibreOffice, the executable file for Writer ... and /usr quite a bit. Of course, if you attach ...

The execute bit ... file and turn it into an executable program: You can only execute a file if it’s of a certain type.

If you've ever wondered how programs run on Linux, you might be surprised to learn that a special file format called ELF, or Executable and Linkable Format, is at the heart of it all. ELF files are ...

you can run that executable from anywhere in the Linux file structure. This is what makes it possible to run commands in /usr/bin from your home directory (or anywhere, for that matter).