辅助

自动完成指令 Bash auto completion

安装

sudo apt update
sudo apt install bash-completion

测试

cat /etc/profile.d/bash_completion.sh

载入

## source it from ~/.bashrc or ~/.bash_profile ##
echo "source /etc/profile.d/bash_completion.sh" >> ~/.bashrc
## Another example Check and load it from ~/.bashrc or ~/.bash_profile ##
grep -wq '^source /etc/profile.d/bash_completion.sh' ~/.bashrc || echo 'source /etc/profile.d/bash_completion.sh'>>~/.bashrc
source /etc/profile.d/bash_completion.sh

变更 Bash

找出目前 shell

echo $SHELL

变更 shell

chsh -s /bin/bash
chsh -s /bin/zsh

参考资料