q3 p3 Linux 1, Clearly explain what the output of the echo $? command means: 2, What special device file can you redirec

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answerhappygod
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q3 p3 Linux 1, Clearly explain what the output of the echo $? command means: 2, What special device file can you redirec

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q3 p3
Linux 1, Clearly explain what the output of the echo $? commandmeans:
2, What special device file can you redirect stderr to (orstdout to), so that it is not saved or displayed on the screen(provide full path)?
3, Write a unix command to extract (cut) the first 3columns/fields from file1 and send the output to file2. Assume thedelimiter (separator) in the file1 file is a colon:
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