WSL下卸载zsh后不能打开bash的解决方法

前提是WSL中zsh不使用root默认登录的.

卸载zsh后忘记把bash换回来或者某些奇怪情况提示zsh not found导致bash不能启动成功,

可以把WSL的默认登录用户改成root, 用root账号更改原来账号的.bashrc文件

在CMD下运行lxrun能得到一堆帮助提示

Usage:
    /install - Installs the subsystem
        Optional arguments:
            /y - Do not prompt user to accept or create a subsystem user
    /uninstall - Uninstalls the subsystem
        Optional arguments:
            /full - Perform a full uninstall
            /y - Do not prompt user to confirm
    /setdefaultuser - Configures the subsystem user that bash will be launched as. If the user does not exist it will be created.
        Optional arguments:
            username - Supply the username
            /y - If username is supplied, do not prompt to create a password
    /update - Updates the subsystem's package index

用/setdefaultuser命令把默认登录账号改为root

lxrun /setdefaultuser root

登录bash

bash

找到原账号的文件夹,修改它的.bashrc

vi .bashrc

找到这段并注释掉

if [ -t 1 ]; then
  exec zsh
fi

:wq保存后运行source .bashrc生效.

退出bash后继续用lxrun /setdefaultuser xxx切换原来的账号, 试试.

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