Ubuntu 20.04 安装并配置 fish

fish 官网

https://fishshell.com/
https://github.com/fish-shell/fish-shell

安装

sudo apt-add-repository ppa:fish-shell/release-3
sudo apt update
sudo apt install fish

设置为默认shell

chsh -s /usr/bin/fish

进阶

添加环境变量

fish添加环境变量十分简单
语法如下：

fish_add_path [paths...]
fish_add_path (-h | --help)
fish_add_path [(-g | --global) | (-U | --universal) | (-P | --path)] [(-m | --move)] [(-a | --append) | (-p | --prepend)] [(-v | --verbose) | (-n | --dry-run)] [paths...]

示例：

fish_add_path /usr/local/go/bin

参考：https://fishshell.com/docs/current/cmds/fish_add_path.html

更多用法可以到官网查看