查看当前发行版可以使用的shell
yeguangrong@yeguangrong-Inspiron-3847:~$ cat /etc/shells
输出如下
# /etc/shells: valid login shells /bin/sh /bin/dash /bin/bash /bin/rbash
查看当前使用的shell
yeguangrong@yeguangrong-Inspiron-3847:~$ echo $SHELL 输出 : /bin/bash