User accounts, files and directories, processes, system commands.
Linux System Administration
What is Linux?
implies rather just a Kernel than a whole OS.
Linux OS distributions
generic or customized Kernel and
generic or customized GNU software (libraries, shells, and applications).
This is why the operating system is correctly called
, and commonly refered as "
Source codes of the Kernel, shells and GNU applications are freely available to anyone.
Traditional tools for Linux administration and development:
C - programming language Shell scripting Perl Python
Foundation of Linux
What makes Linux different
Linux on Desktop
Linux is a kernel
Login to terminal
Files and Directories
Files Permissions and Ownerships
Process data streams
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