Glossary

To clarify inevitable (nearly always) Unix jargon that comes up.

Directory: folder
Subdirectory: sub folder, i.e. a directory with a directory.
Execute: run, launch
Process: task (usually small)
Thread: process
CPU, hardware processor.
Recursion: run a task for every depth a certain structure (i.e. a directory) holds.
Console: terminal, command-line screen.
Shell: the program responsible for accepting your typing and sending output back
Prompt: The shell's entry area, characters that appear before blinking cursor: the beginning of the command line
MS: Microsoft
Unix: Older closed versions of Linux,mostly similar, differen only in smaller details
Linux: Practically the same as Unix, except open-source
Linux distribution: Red Hat, Ubuntu, Debian, SuSE,
GUI: Graphical User Interface: added pixel-based layer to make things easier and look nicer.
X-Windows, GUI for Unix/Linux
X11: X-Windows
Kill: to stop a process
| : bar, vertical bar, pipe .. this is the pipe operator, permits output of one command go into another

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