Notice the Command Assistance area circled in red.

注意，命令帮助区域用红色圆圈标明。

youdao

If fish doesn't recognize the name of a command, it is shown in red.

如果fish不认识一个命令名，就用红色显示它。

youdao

If fish doesn't recognize the name of a command, it is shown in red.

如果fish不认识一个命令名，就用红色显示它。

youdao