Bash Shell - Revision history

Xbl: /* Misc */

2025-12-18T15:28:50Z

Misc

← Older revision		Revision as of 17:28, 18 December 2025
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	<code>CTRL + d</code> escape current shell or delete character under cursor</br>		<code>CTRL + d</code> escape current shell or delete character under cursor</br>
	<code>CTRL + t</code> switch character before cursor with cursor</br>		<code>CTRL + t</code> switch character before cursor with cursor</br>
			</br>
			<code>$_</code> repeat last argument. Risky in scripts, best use case after &&.

	== Functions ==		== Functions ==

Xbl at 08:47, 18 August 2023

2023-08-18T08:47:47Z

← Older revision		Revision as of 10:47, 18 August 2023
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	<code>CTRL + r</code> backward search</br>		<code>CTRL + r</code> backward search</br>
	<code>CTRL + g</code> leave search without running a command		<code>CTRL + g</code> leave search without running a command</br>
	<code>CTRL + j</code> copy current matched command to cli without running it		<code>CTRL + j</code> copy current matched command to cli without running it</br>
	<code>CTRL + s</code> stop output</br>		<code>CTRL + s</code> stop output</br>
	<code>CTRL + q</code> resume output</br>		<code>CTRL + q</code> resume output</br>
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	== Functions ==		== Functions ==

	Single Parenthesis ( ... ) is creating a subshell for nested commands</br>		Single Parenthesis <code>( ... )</code> is creating a subshell for nested commands</br>
	Double Parenthesis (( ... )) is for arithmetic operation</br>		Double Parenthesis <code>(( ... ))</code> is for arithmetic operation</br>
	Single Square Bracket [ ... ] is the syntax for the POSIX ''test''</br>		Single Square Bracket <code>[ ... ]</code> is the syntax for the POSIX ''test''</br>
	Double Square Brackets [[ ... ]] is the syntax for conditional expressions (similar to ''test'' but more powerful)</br>		Double Square Brackets <code>[[ ... ]]</code> is the syntax for conditional expressions (similar to ''test'' but more powerful)</br>

			Single Ampersand <code>command1 & command2</code> run command1 in the background</br>
			Double Ampersand <code>command1 && command2</code> run command2 only if command1 succeeded</br>
			Single Pipe <code>command1 \| command2</code> use output of command1 as input for command2</br>
			Double Pipe <code>command1 \|\| command2</code> run command2 only if command1 failed</br>


	=== Change to the directory of the script ===		=== Change to the directory of the script ===

Xbl: /* Functions */

2023-03-24T12:25:58Z

Functions

← Older revision		Revision as of 14:25, 24 March 2023
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	Double Square Brackets [[ ... ]] is the syntax for conditional expressions (similar to ''test'' but more powerful)</br>		Double Square Brackets [[ ... ]] is the syntax for conditional expressions (similar to ''test'' but more powerful)</br>

	Change to the directory of the script~~:</br>~~		=== Change to the directory of the script ===
	<code>cd "$(dirname "$(readlink -f "$0")")"</code></br>		<code>cd "$(dirname "$(readlink -f "$0")")"</code></br>
	1. ''readlink -f "$0"'' determines the path of the current script ($0)</br>		1. ''readlink -f "$0"'' determines the path of the current script ($0)</br>
	2. ''dirname'' converts the path of the script to its directory</br>		2. ''dirname'' converts the path of the script to its directory</br>
	3. ''cd'' changes the working directory to the directory it receives from ''dirname''</br>		3. ''cd'' changes the working directory to the directory it receives from ''dirname''</br>

Xbl: /* Functions */

2023-03-24T12:25:06Z

Functions

← Older revision		Revision as of 14:25, 24 March 2023
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	== Functions ==		== Functions ==

	Single Parenthesis ( ... ) is creating a subshell</br>		Single Parenthesis ( ... ) is creating a subshell for nested commands</br>
	Double Parenthesis (( ... )) is for arithmetic operation</br>		Double Parenthesis (( ... )) is for arithmetic operation</br>
	Single Square Bracket [ ... ] is the syntax for the POSIX ''test''</br>		Single Square Bracket [ ... ] is the syntax for the POSIX ''test''</br>

Xbl: /* Functions */

2023-03-24T12:24:28Z

Functions

← Older revision		Revision as of 14:24, 24 March 2023
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	== Functions ==		== Functions ==

			Single Parenthesis ( ... ) is creating a subshell</br>
			Double Parenthesis (( ... )) is for arithmetic operation</br>
			Single Square Bracket [ ... ] is the syntax for the POSIX ''test''</br>
			Double Square Brackets [[ ... ]] is the syntax for conditional expressions (similar to ''test'' but more powerful)</br>

	Change to the directory of the script:</br>		Change to the directory of the script:</br>

Xbl: /* Hotkeys */

2023-03-17T14:56:21Z

Hotkeys

← Older revision		Revision as of 16:56, 17 March 2023
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	<code>CTRL + d</code> escape current shell or delete character under cursor</br>		<code>CTRL + d</code> escape current shell or delete character under cursor</br>
	<code>CTRL + t</code> switch character before cursor with cursor</br>		<code>CTRL + t</code> switch character before cursor with cursor</br>

			== Functions ==

			Change to the directory of the script:</br>
			<code>cd "$(dirname "$(readlink -f "$0")")"</code></br>
			1. ''readlink -f "$0"'' determines the path of the current script ($0)</br>
			2. ''dirname'' converts the path of the script to its directory</br>
			3. ''cd'' changes the working directory to the directory it receives from ''dirname''</br>

Xbl: /* Text Control */

2023-01-05T21:50:57Z

Text Control

← Older revision		Revision as of 23:50, 5 January 2023
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	<code>CTRL + k</code> cut after cursor</br>		<code>CTRL + k</code> cut after cursor</br>
	<code>CTRL + l</code> clear</br>		<code>CTRL + l</code> clear</br>
	~~<code>CTRL + t</code> switch cursor with preceding character</br>~~
	<code>CTRL + u</code> cut before cursor</br>		<code>CTRL + u</code> cut before cursor</br>
	<code>CTRL + w</code> cut word before cursor</br>		<code>CTRL + w</code> cut word before cursor</br>

Xbl: /* Text Control */

2023-01-05T21:50:11Z

Text Control

← Older revision		Revision as of 23:50, 5 January 2023
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	=== Text Control ===		=== Text Control ===
			<code>CTRL + k</code> cut after cursor</br>
	<code>CTRL + l</code> clear</br>		<code>CTRL + l</code> clear</br>
	<code>CTRL + k</code> ~~cut after~~ cursor</br>		<code>CTRL + t</code> switch cursor with preceding character</br>
	<code>CTRL + u</code> cut before cursor</br>		<code>CTRL + u</code> cut before cursor</br>
	<code>CTRL + w</code> cut word before cursor</br>		<code>CTRL + w</code> cut word before cursor</br>

Xbl: /* CTRL Hotkeys */

2022-12-30T07:32:28Z

CTRL Hotkeys

← Older revision		Revision as of 09:32, 30 December 2022
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	== ~~CTRL~~ Hotkeys ==		== Hotkeys ==

	=== Navigation ===		=== Navigation ===
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	<code>CTRL + a</code> move to beginning</br>		<code>CTRL + a</code> move to beginning</br>
	<code>CTRL + e</code> move to end</br>		<code>CTRL + e</code> move to end</br>

			<code>ALT + f</code> move forward by one word</br>
			<code>ALT + b</code> move backward by one word</br>

	<code>CTRL + n</code> down arrow</br>		<code>CTRL + n</code> down arrow</br>
	<code>CTRL + p</code> up arrow</br>		<code>CTRL + p</code> up arrow</br>
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	<code>CTRL + l</code> clear</br>		<code>CTRL + l</code> clear</br>
	<code>CTRL + k</code> ~~delete all from~~ cursor ~~to end~~</br>		<code>CTRL + k</code> cut after cursor</br>
	<code>CTRL + u</code> cut before cursor</br>		<code>CTRL + u</code> cut before cursor</br>
	<code>CTRL + w</code> cut word</br>		<code>CTRL + w</code> cut word before cursor</br>
	<code>CTRL + y</code> paste</br>		<code>CTRL + y</code> paste</br>
	<code>CTRL + _</code> undo typing</br>		<code>CTRL + _</code> undo typing</br>
			<code>ALT + r</code> undo changes made to command from history</br>

	=== Misc ===		=== Misc ===

	<code>CTRL + r</code> backward search</br>		<code>CTRL + r</code> backward search</br>
			<code>CTRL + g</code> leave search without running a command
			<code>CTRL + j</code> copy current matched command to cli without running it
	<code>CTRL + s</code> stop output</br>		<code>CTRL + s</code> stop output</br>
	<code>CTRL + q</code> resume output</br>		<code>CTRL + q</code> resume output</br>
	<code>CTRL + d</code> escape current shell or delete character under cursor</br>		<code>CTRL + d</code> escape current shell or delete character under cursor</br>
	<code>CTRL + t</code> switch character before cursor with cursor</br>		<code>CTRL + t</code> switch character before cursor with cursor</br>

Xbl: /* CTRL Hotkeys */

2022-05-05T20:28:42Z

CTRL Hotkeys

← Older revision		Revision as of 22:28, 5 May 2022
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	<code>CTRL + _</code> undo typing</br>		<code>CTRL + _</code> undo typing</br>

	=== Misc~~, useful~~ ===		=== Misc ===

	<code>CTRL + r</code> backward search</br>		<code>CTRL + r</code> backward search</br>
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	<code>CTRL + q</code> resume output</br>		<code>CTRL + q</code> resume output</br>
	<code>CTRL + d</code> escape current shell or delete character under cursor</br>		<code>CTRL + d</code> escape current shell or delete character under cursor</br>
			<code>CTRL + t</code> switch character before cursor with cursor</br>
	~~=== Misc ===~~

	<code>CTRL + t</code> switch character before cursor with cursor~~, ESC + t switches two words before the cursor</br>~~
	~~<code>CTRL + x + CTRL + e</code> lauch editor ($EDITOR)~~</br>