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(Complete Using Ubuntu) Please try each command in Linux system, and get screenshots (you may put...

(Complete Using Ubuntu)

Please try each command in Linux system, and get screenshots (you may put multiple commands in one screenshot) which can show how actually each command runs. Also, give a brief description (one or two sentences) for each command. For the commands which have multiple switches/parameters, please try one popular switch/parameter.

Linux Commands: rm,cp ,mv (name), ld, ftp, more, less, cat (date), tar, top, ps (name), kill, df, last, patch, mkdir (date)

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