Difference between revisions of "Introduction to Linux"

Latest revision as of 21:43, 17 July 2020

Overview

The Shell

@@ Line 1: / Line 1: @@
-==Data Streams==
+Overview
-===STDIO===
+# Open Source Software (OSS)
-Standard Input/Output (STDIO) contains 3 main streams of data associates with a file handle which are STDIN (file handle:0), STDOUT (file handle:1), and STDERR (file handle:2). STDIO is used to stream output data from one program to the input of another program.
+# Free Software (FS)
+# Free and Open Source Software (FOSS)
+# Unix
+# GNU
+# Linux
+# GNU/Linux
+# Linux Distributions
-===STDIN===
+The Shell
-Standard Input (STDIN) is input from the keyboard.
-===STDOUT===
+# CLI
-Standard Output (STDOUT) is output sent to the terminal.
+# Shells
+#
-===STDERR===
-Standard Error (STDERR) is errors sent to the terminal.
-==Basic Commands==
-These are the most basic commands that you should know as a Linux System Administrator.
-===Command Syntax===
-Commands that utilize the Bash shell follow this common syntax.
- command [-options] [arguments]
-===Commands===
-echo
-ls
-pwd
-cd
-touch
-cp
-mkdir
-cat
-su
-sudo
-sudoedit
-visudo
-whoami
-who
-w
-last
-id
-===Power Management===
-shutdown
-===Command Information===
-man
-apropos
-whatis
-info
-===Password Management===
-passwd
-chage
-===User Management===
-useradd
-usermod
-userdel
-===Group Management===
-groupadd
-groupmod
-groupdel
-==Permissions==
-===Read===
-===Write===
-===Execute===
-Owner
-Group
-Other