What is uninstall command in Linux?

How do I remove hide me from Linux?

If the user is logged in you can logout and login with a different username/password, but if they are not logged in then you can't login as another user without their password or access to some superuser account.

You may need to boot into single user mode, then login with a different username/password and delete the user accounts you no longer need. (Boot from a CD-ROM or DVD-R/RW if you don't have an Ubuntu live CD on a thumb drive. Do not forget to disable or remove the splash screen, which will make booting a lot faster.

If you know what the username and password is, you can go into recovery mode and select "Root terminal" option. This won't do what you want. In fact, I'm almost certain that when you're in recovery mode, you'll have a root account without a password set. You'll still be in the same situation you're in now.

How do I cancel Hide Me?

To cancel Hide Me, follow these steps: Select Hide Me in the list of options.

Select Unhide Me in the list of options. Click OK. To hide Hide Me from a particular site or page: Click on the option that says Hide Me. In the pop-up window that appears, choose the page or site that you want Hide Me to appear on. To hide Hide Me from your entire profile: In the pop-up window that appears, choose the site or page that you want Hide Me to appear on. Hide Me will appear whenever someone clicks on your username. Hide Me can be useful for keeping your username private, but it may also annoy people who are not familiar with your account. If Hide Me is too distracting for you, you can turn it off:
Hide My Posts. Hide My Posts will appear when anyone posts a message or comment. You can use this setting to keep yourself private from unwanted posts.

What is uninstall command in Linux?

What is the command that can be used to remove any program or software we installed in linux?

How it works? Does it need reboot? uninstall is a very simple command that was included in coreutils which I highly recommend you install on your system. So just try sudo apt-get install coreutils. And you're done. How it works? does it need reboot? The first thing it does, as you stated, is check if there's an unused /usr/bin/uninstall binary file. If not, it then just proceeds to run it and exit. No reboot needed.