Summary

 To see a file screen by screen      more filename 
 To see the first few lines of a     head filename 
 file
 To see the last few lines of a      tail filename 
 file
 To make a directory                 mkdir dirname 
 To remove an empty directory        rmdir dirname 
 To copy a file                      cp filename another_filename 
 To rename a file                    mv filename new_filename 
 To remove a file                    rm filename 

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 For more information about          See
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 Looking at files screen by screen   more(C) 
 Looking at the beginning of a       head(C) 
 file
 Looking at the end of a file        tail(C) 
 Making directories                  mkdir(C) 
 Removing directories                rmdir(C) 
 Copying files                       cp(C) 
 Renaming files                      mv(C) 
 Removing files                      rm(C)