A.rm–f/home/tom/tmp B.rm–rf/home/tom/tmp C.rm–a/home/tom/tmp D.rm–l/home/tom/tmp
A.cp/etc/yum.repo.d/wg.repp/etc/yum.repo.d/wg.repo B.ls/etc/yum.repo.d/wg.repp/etc/yum.repo.d/wg.repo C.mv/etc/yum.repo.d/wg.repp/etc/yum.repo.d/wg.repo D.rm/etc/yum.repo.d/wg.repp/etc/yum.repo.d/wg.repo
A.mv/etc/passwd/etc/passwd.bak B.cp/etc/passwd/etc/passwd.bak C.rm/etc/passwd/etc/passwd.bak D.ls/etc/passwd/etc/passwd.bak
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