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==What's .bashrc? What is an alias?== | |||
== What's .bashrc? What is an alias? == | * '''.bashrc''' is the ''configuration file'' for bash, a linux shell/command interpreter. | ||
* An '''alias''' is a ''substitute for a (complete) command''. It can be thought of as a shortcut. | |||
* '''.bashrc''' is found in the ''home folder'' of a user ( ~ ) . It is a hidden file, to see it show hidden files in your file manager or use '''ls -a''' | |||
'''.bashrc''' is the ''configuration file'' for bash, a linux shell/command interpreter. | ==Backup your current .bashrc== | ||
It can be useful to backup the ~/.bashrc before editing it, as it allows one to be able to easily recover from the unexpected. To make a backup of your current .bashrc . Open a terminal and execute | |||
An '''alias''' is a ''substitute for a (complete) command''. It can be thought of as a shortcut. | {{UserCmd|command=cp ~/.bashrc ~/.bashrc.bak}} | ||
The original .bashrc can be restored with by executing | |||
'''.bashrc''' is found in the ''home folder'' of a user ( ~ ) . It is a hidden file, to see it show hidden files in your file manager or use '''ls -a''' | {{UserCmd|command=cp -i ~/.bashrc.bak ~/.bashrc}} | ||
==Note== | |||
== Backup your current .bashrc == | |||
It can be useful to backup the ~/.bashrc before editing it, as it allows one to be able to easily recover from the unexpected. | |||
To make a backup of your current .bashrc . Open a terminal and | |||
The original .bashrc can be restored with | |||
== Note == | |||
Any changes made to the .bashrc will have no effect on any currently open terminal windows. To test newly updated changes in your .bashrc open a new terminal or use the command: | Any changes made to the .bashrc will have no effect on any currently open terminal windows. To test newly updated changes in your .bashrc open a new terminal or use the command: | ||
{{UserCmd|command=source .bashrc}} | |||
== Aliases Examples == | == Aliases Examples == | ||
Aliases can turn a complex command string into a simple custom made command that one can type in the Terminal. | Aliases can turn a complex command string into a simple custom made command that one can type in the Terminal. | ||
The following can be added to the .bashrc file. | The following can be added to the .bashrc file. | ||
=== For updating your system === | === For updating your system === | ||
To upgrade the system via pacman, the command used is | |||
To upgrade the system via pacman, the command used is | {{UserCmd|command=sudo pacman -Syu}} | ||
This can be aliased in .bashrc with | |||
This can be aliased in .bashrc with | {{File|file=~/.bashrc| | ||
content=<pre>... | |||
alias pacup="sudo pacman -Syu" | |||
...</pre>}} | |||
To upgrade packages installed from the AUR via pamac, the command used is | |||
To upgrade packages installed from the AUR via pamac, the command used is | {{UserCmd|command=pamac upgrade --aur}} | ||
This can be aliased with | |||
This can be aliased with | {{File|file=~/.bashrc| | ||
content=<pre>... | |||
alias aup="pamac upgrade --aur" | |||
...</pre>}} | |||
=== For editing commonly used files === | === For editing commonly used files === | ||
To edit '''.bashrc''' itself and automatically reload bash configuration file (so that changes made to .bashrc can be implemented in current terminal session) | To edit '''.bashrc''' itself and automatically reload bash configuration file (so that changes made to .bashrc can be implemented in current terminal session) | ||
{{File|file=~/.bashrc| | |||
content=<pre>... | |||
alias bashrc="nano ~/.bashrc && source ~/.bashrc" | |||
...</pre>}} | |||
To edit '''/etc/fstab''' | To edit '''/etc/fstab''' | ||
{{File|file=~/.bashrc| | |||
content=<pre>... | |||
alias fstab="sudo nano /etc/fstab" | |||
...</pre>}} | |||
To edit '''/etc/default/grub''' | To edit '''/etc/default/grub''' | ||
{{File|file=~/.bashrc| | |||
content=<pre>... | |||
alias grub="sudo nano /etc/default/grub" | |||
...</pre>}} | |||
=== To update GRUB === | === To update GRUB === | ||
To update your grub bootloader using the '''sudo update-grub''' | To update your grub bootloader using the '''sudo update-grub''' | ||
{{File|file=~/.bashrc| | |||
content=<pre>... | |||
alias grubup="sudo update-grub" | |||
== Conclusion == | ...</pre>}} | ||
==Conclusion== | |||
This list is not comprehensive. Almost anything that is commonly used can be shortened with an alias | This list is not comprehensive. Almost anything that is commonly used can be shortened with an alias | ||
==See Also== | |||
== See Also == | |||
[https://www.gnu.org/software/bash/manual/html_node/index.html Bash documentation] | [https://www.gnu.org/software/bash/manual/html_node/index.html Bash documentation] | ||
[[Category:Contents Page]] | [[Category:Contents Page]] | ||