There is a dir that name is "data" in main-dir of Bill(user), there are 3 dir("one", "two", "three") in "data", "one" has file "one.txt", "two" has file "two.txt", "three" has file "three.txt", they will copy to /opt/proj/data. If generic, select /home/Bill/data/one/one.txt the first, then go to the /opt/proj/data, and exec to copy. 3 do thus, too troublsome ! Now, here can 1 do they well, it like : select a file the 1st, and select-add the 2nd, the 3rd, then go to /opt/proj/data, and copy. If have 10(or more) like thus, the efficiency is very high. and copy file can be take as arch file, as a arch-file.
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