16. Which of the following keys is used to move the cursor to the end of the paragraph.
17. Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?
18. The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is
19. Which command is used to remove a file?
20. Which symbol is used to separate more than one command in the same command line?
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