UNIX filter commands: diff, comm, cmp and shell quoting

1. 1The UNIX filter command that compares two files by displaying identical and differing lines in a 3-column format is,

   1. Acmp
   2. Bcomm
   3. Cdif
   4. Ddiff
   5. Etr
   6. Fvi
2. 2Consider the shell command: echo " '$USER' "
   What would be the output of this command if the current user's username is bob?

   1. A$USER
   2. Bbob
   3. C'$USER'
   4. D'bob'
   5. E" '$USER' "

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Quiz on Untitled, created by Steven Bucholtz on 20/11/2016.

Author

Steven Bucholtz

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English

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