For each of the following, use English to explain the given command.pdf

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This document provides 5 commands to run and explains what each one does. The first command counts the number of lines in a specific text file. The second command searches that same text file for the word "MISSING". The third command pipes the results of searching for "MISSING" into a new text file called missing.txt and also displays the results. The fourth command changes the permissions of the new missing.txt file to make it read-only. The fifth command checks if a folder name matches a specific pattern.

Formation

For each of the following, use English to explain the given commands. You can assume that all
referenced files exist and no errors occur. 1. WC -L old data/2022-12.txt 2. grep MISSING old
data/2022-12.txt 3. grep MISSING old data/2022-12.txt | tee missing.txt | 4. chmod -w
missing.txt 5. Is old data /202[012]]t?t

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