The C format C pr ? header command provides many options for formatting a file f

Question

The C format C pr ? header command provides many options for formatting a file for printing print Which option to the find command will search by user owner? -uowner -user -owner -person Why would you press CTRL+C when executing tail? To stop tail from following a file To get tail to copy the text it is outputting C To capture the output into a file To complete the processing of a file To send a signal to a set of processes with the same name, you can run allkill killall sigkill grpkill The setuid permission on a file Causes the file to never run as root Causes the file to run under the user's identity Causes the file to run under the owner's identity Causes the file to always run as root O The /usr/local/bin directory contains Nothing: it is not a valid directory Essential administrative commands The most fundamental commands that are essential for the operating system to function O Commands that have been compiled from local sources

Explanation / Answer

1. Ans: pr. pr command provides the user with formating options like: -COLUMN, -a, -c, -d ets for formatting file for printing

2,Ans: user. the -user option in find command lets u search files belonging to the user whose name is specified.

3. Ans: To stop tail from following a file. It simply stops the command execution in the foreground.

4. Ans: killall. This command sends signal to all the processes runing under a command.

5. Ans: Cause the file to run under owner's identity .

6. Ans: Commands that have beeen complied from local sources.

7 Ans: top. Top command is used for monitoring processes and their system usage.

8. Ans: man. this is used to view the manual page for a topic.

9. Ans: redirect. The redirection operator '>' redirects the file to the desired output.

10. Ans: It is quicker than find command. But it searches on the files from old database and on the vbasis of just filenames.

11. Ans: Hard. Hardlinks are simply copies of the original files and have the same contents in them.

12. Ans: etc/passwd. The user's default shell is stored here.

13. Ans: hold critical information of the system. It may contains data like name, number, text, etc.

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