Shell 切换解释器，查看当前解释器可以通过 chsh 修改解释器。查看当前所安装的解释器列表查看当前解释器切换

可以通过 chsh 修改解释器。

查看当前所安装的解释器列表

$ cat /etc/shells

# List of acceptable shells for chpass(1).
# Ftpd will not allow users to connect who are not using
# one of these shells.

/bin/bash
/bin/csh
/bin/dash
/bin/ksh
/bin/sh
/bin/tcsh
/bin/zsh

查看当前解释器
```
$ echo $SHELL
```
```
/bin/zsh
```
切换 bash
```
$ chsh -s /bin/bash
```
切换 zsh
```
$ chsh -s /bin/zsh
```