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--- ubuntu:bash [2019/12/06 23:05] – peter
+++ ubuntu:bash [2021/01/04 21:09] (current) – peter
@@ Line 1: / Line 1: @@
-====== BASH ======
+====== Ubuntu - BASH ======
-Bash, the Bourne Again Shell, is the default command-line interpreter in most Linux distros.
-----
-===== Hello World =====
-Programmers often learn new languages via learning the hello world program.  It’s a simple program that prints the string “Hello World” to the standard output.
-Use an editor like vim or nano to create the file hello-world.sh and copy the below lines into it.
-<code bash>
-#!/bin/bash
-echo "Hello World"
-</code>
-Save and quit the file.
-You need to make this file executable using the below command.
-<code bash>
-chmod a+x hello-world.sh
-</code>
-You can run this using any of the below two commands.
-<code bash>
-bash hello-world.sh
-./hello-world.sh
-</code>
-It will print out the string passed to echo inside the script.
+See [[BASH:BASH|BASH]]
 ----
+[[Ubuntu:BASH:DASH to BASH|DASH to BASH]]
-[[Ubuntu:BASH:Aliases|Aliases]]
-[[Ubuntu:BASH:Append a string after each line|Append a string after each line]]
-[[Ubuntu:BASH:Arithmetic evaluation and errexit trap|Arithmetic evaluation and errexit trap]]
-[[Ubuntu:BASH:Assign Output of Shell Command To Variable|Assign Output of Shell Command To Variable]]
-[[Ubuntu:BASH:Brackets|Brackets]]
-[[Ubuntu:BASH:Built-in variables|Built-in variables]]
-[[Ubuntu:BASH:cat|cat]]
-[[Ubuntu:BASH:Commands|Commands]]
-[[Ubuntu:BASH:cut|cut]]
-[[Ubuntu:BASH:Dangerous Commands|Dangerous Commands]]
-[[Ubuntu:BASH:Find largest files|Find largest files]]
-[[Ubuntu:BASH:Find new files|Find new files]]
-[[Ubuntu:BASH:Functions|Functions]]
-[[Ubuntu:BASH:The IFS (internal field separator)|The IFS (internal field separator)]]
-[[Ubuntu:BASH:Helicopter Animation|Helicopter Animation]]
-[[Ubuntu:BASH:List files by size|List files by size]]
-[[Ubuntu:BASH:List files excluding some files|List files excluding some files]]
-[[Ubuntu:BASH:Parse a line from a file|Parse a line from a file]]
-[[Ubuntu:BASH:Quotes|Quotes]]
-[[Ubuntu:BASH:Read a file (data stream, variable) line-by-line (and/or field-by-field)|Read a file (data stream, variable) line-by-line (and/or field-by-field)]]
-[[Ubuntu:BASH:Redirect Output To File, And Still Have It On Screen|Redirect Output To File, And Still Have It On Screen]]
-[[Ubuntu:BASH:Rename multiple files|Rename multiple files]]
-[[Ubuntu:BASH:rev|rev]]
-[[Ubuntu:BASH:Run a program in the background|Run a program in the background]]
-[[Ubuntu:BASH:Scripts|Scripts]]
-[[Ubuntu:BASH:ShellCheck|ShellCheck]]
-[[Ubuntu:BASH:Shellshock|Shellshock]]
-[[Ubuntu:BASH:tac|tac]]