The sort command can also merge already sorted files and check whether a file is sorted or not.

sort命令还可以合并已经排序的文件，并检查某个文件是否已经排序。

youdao

The sort command can also merge already sorted files and check whether a file is sorted or not.

sort命令还可以合并已经排序的文件，并检查某个文件是否已经排序。

youdao