Shulou(Shulou.com)06/02 Report--

The command is as follows:

[root@aws ~] # mkdir jiaguwen

[root@aws ~] # touch jiaguwen.txt jiaguwen2.txt jiaguwen3.txt

[root@aws ~] # cd jiaguwen

[root@aws jiaguwen] # lsjiaguwen2.txt jiaguwen3.txt jiaguwen.txt

[root@aws jiaguwen] # ls * .txt | xargs-N1-I {} mv {} _ Bak [root @ aws jiaguwen] # ls

Jiaguwen2.txt_bak jiaguwen3.txt_bak jiaguwen.txt_bak

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