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自動完成指令 Bash auto completion

安裝

sudo apt update
sudo apt install bash-completion

測試

cat /etc/profile.d/bash_completion.sh

載入

## 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

變更 Bash

找出目前 shell

echo $SHELL

變更 shell

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

參考資料