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+---
+
+language: bash
+contributors:
+    - ["Max Yankov", "https://github.com/golergka"]
+filename: LearnBash.sh
+
+---
+
+Bash is a name of the unix shell, which was also distributed as the shell for the GNU operating system and as default shell on Linux and Mac OS X.
+Nearly all examples below can be a part of a shell script or executed directly in the shell.
+
+[Read more here.](http://www.gnu.org/software/bash/manual/bashref.html)
+
+```bash
+#!/bin/sh
+# First line of the script is shebang which tells the system how to execute the script: http://en.wikipedia.org/wiki/Shebang_(Unix)
+# As you already figured, comments start with #. Shebang is also a comment.
+
+# Simple hello world example:
+echo 'Hello, world!'
+
+# Each command starts on a new line, or after semicolon:
+echo 'This is the first line'; echo 'This is the second line'
+
+# Declaring a variable looks like this:
+VARIABLE="Some string"
+
+# But not like this:
+VARIABLE = "Some string" # Bash will decide that VARIABLE is a command he must execute and give an error because it couldn't be found.
+
+# Using the variable:
+echo $VARIABLE
+echo "$VARIABLE"
+
+# We have the usual if structure:
+if true
+then
+	echo "This is expected"
+else
+	echo "And is was not"
+fi
+
+```