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Can you complete a command with tab in Bash?
With bash, I can complete a command with TAB. Normally, it should also complete the command line switches: e.g. when I typed: it should show me the possibilities. It does not. How can I enable this preview?
How is the completion defined in Bash tab?
If for the current command nothing is defined, it used completion by file name (using opendir/readdir, as Ignacio said). The part to define your own completions is described in the section Programmable Completion.
How to open multiple terminal tabs and Run command?
I need to open multiple terminal tabs, give them titles, go to a directory, and make each tab run a command. I am new to Linux and shell scripting, after searching online and checking some solutions, I made this script ( EDITED based on answers below):
How to enable double tab autocompletion list in Linux?
If I pressed tab twice at that point it would give me a list of all possible completions. My current Linux environment does not have the second feature (enabled?). So if I press tab it will autocomplete but it won’t list all possible completions after that.
Why is the auto completion so slow in Bash?
Another strategy is to go through your Bash config files and deactivate all completion. Then test if it’s faster. If it isn’t faster, it’s probably something related to a slow (remote) disk. But if it’s faster, you can enable completions bit by bit until you found the one that caused the slowness.
How to enable tab completion of command line?
If you want to create your own custom completions you can look at this post: https://stackoverflow.com/a/21476506/2649637 Thanks for contributing an answer to Stack Overflow!
How do I add Bash completion to my bashrc?
You need to have bash_completion installed and then just add . /etc/bash_completion to your .bashrc. Depending on what Linux flavor you’re using, you may want to add a package. For Fedora and related distributions, you need to add the separate package bash-completion to get this to work.