How do you use tab completion?
Just hit Tab while typing a command, option, or file name and the shell environment will automatically complete what you’re typing or suggest options to you.
How do I permanently add an alias?
Steps to create a permanent Bash alias:
- Edit ~/. bash_aliases or ~/. bashrc file using: vi ~/. bash_aliases.
- Append your bash alias.
- For example append: alias update=’sudo yum update’
- Save and close the file.
- Activate alias by typing: source ~/. bash_aliases.
How do you implement tab completion in bash?
The programmable completion feature in Bash permits typing a partial command, then pressing the [Tab] key to auto-complete the command sequence. [1] If multiple completions are possible, then [Tab] lists them all. Let’s see how it works. Tab completion also works for variables and path names.
How do I create an alias in zsh?
Your zsh configuration file is basically sitting on your home directory. To add aliases, you need to open that file and start adding alias at the bottom (just so we don’t get confused). Apply the changes: source ~/. zshrc or .
How to get Bash completion for command aliases?
Ole J proposes the following alias completion definition function: I prefer to use aliases for adding always-used arguments to existing programs. For instance, with grep, I always want to skip devices and binary files, so I make an alias for grep.
How to get Git completion to work with aliases?
The _xfunc git bit takes care of sourcing the git-completion file for you so you don’t need to put anything else in ~/.bashrc. The accepted answer require you to copy .git-completion.sh and source it from your ~/.bashrc file which I find lame.
Where do I get the complete alias file?
You may want to source the complete_alias file in every bash instance through .bash_profile or similar. By googling this issue I ended up here, so I tried the approaches in the other answers.
Why is the completion function not found in Bash?
But for some situations, the completion function is only loaded dynamically after you type the command and press TAB the first time. So if you haven’t used the original command, and try the alias + TAB, you may get an error like “bash: completion: function ‘_docker’ not found”.