149 cd
     80 ls
     64 vim
     56 rm
     24 mv
     21 wget
     19 cp
     16 mkdir
     10 ssh
      7 screen
      6 zip
      6 unzip
      6 for
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      4 sed
      4 grep
      4 chmod
      3 git
      2 tar
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      1 lynx
      1 links
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