Tag: linux

To recover the root password, the user needs to boot the system using a boot disk floppy. Then, they need to mount the root partition and edit the /etc/passwd file to remove the root password. Option C is the correct answer.

Option A is incorrect because it does not provide any solution to recover the root password.

Option B is incorrect because it suggests to mount the main partition instead of the root partition. Editing the /etc/passwd file of the main partition will not affect the root password.

Option D is incorrect because it suggests to edit the /tmp/passwd file instead of the /etc/passwd file. The /tmp directory is used for temporary files, and editing the /tmp/passwd file will not affect the root password.

Option E is incorrect because it suggests to edit the /etc/passwds file instead of the /etc/passwd file. There is no such file as /etc/passwds, so this option is invalid.

The Answer is: C. Mount the root partition, edit the /etc/passwd file to remove the root password, reboot.

To solve this question, the user needs to know the basic command to restart a printer daemon in Linux.

Now, let's go through each option and explain why it is right or wrong:

A. topq printer-name: This option is incorrect because the command "topq" is not a valid command in Linux. It does not exist and cannot be used to restart a printer daemon.

B. enable printer-name: This option is incorrect because the command "enable" is used to enable a printer, not restart the printer daemon. It does not restart the printer daemon.

C. restart printer-name: This option is incorrect because the command "restart" is not the correct command to restart a printer daemon in Linux. The correct command to restart the printer daemon is "systemctl restart cups".

D. up printer-name: This option is incorrect because the command "up" is not a valid command to restart a printer daemon. It does not exist in Linux.

The correct answer is:

The Answer is: C. restart printer-name