​## `chsh`

更改当前用户 Shell

```bash chsh -s /bin/zsh echo $SHELL ```

列出所有 Shell

```bash chsh -l ```

​## `useradd`

新建用户（有家目录）

refer https://wiki.archlinux.org/title/Users_and_groups

```bash useradd -m example passwd example ```

​## `adduser`

`adduser` provides a high level interface for adding new users, and `useradd` provides a low level interface.