pivot_root: add page

[zhb4]

Checklist

• The page(s) are in the correct platform directories: common, linux, osx, windows, sunos, android, etc.
• The page description(s) have links to documentation or a homepage.
• The page(s) follow the content guidelines.
• The page(s) follow the style guide.
• The PR contains at most 5 new pages.
• The PR is authored by me, or has been human-reviewed if it was created with AI or machine translation software.
• The PR title conforms to the recommended templates.
• Version of the command being documented (if known):
• Reference issue: #

[tldr-bot]

The build for this PR failed with the following error(s) at commit
5127e246682da92d80f0e0fbec698f3e281c5528:

pages/linux/pivot_root.md:6: TLDR011 Page never contains more than a single empty line

Please fix the error(s) and push again.

[Managor]

Can you give me an example on how this should look like in a real world scenario?

[zhb4]

Can you give me an example on how this should look like in a real world scenario?

This usage can all be found online, and there are many detailed cases explaining its application
mkdir -p /mnt/newroot/old_root

cd /mnt/newroot

pivot_root . old_root

umount -l /old_root

[Managor]

Suggested change

	`sudo pivot_root /new_root /new_root/old_root`
	`sudo pivot_root {{path/to/new_root}} {{path/to/new_root/old_root}}`

Thanks, I just needed an example before I suggest any changes.

[Managor]

Also, how does this command differ from chroot? Is this a deprecated form of the same thing or something else?

[zhb4]

Also, how does this command differ from chroot? Is this a deprecated form of the same thing or something else?

This usage can all be found online. There are many detailed examples of its application that can all be found

[zhb4]

Also, how does this command differ from chroot? Is this a deprecated form of the same thing or something else?

For the usage of this command, I suggest you search online. You can basically understand it. It's the same as ordinary linux commands

[Managor]

Suggested change

	> Change the root filesystem to a new directory and move the current root to another location.
	> Change the root filesystem to a new directory and move the current root to a subdirectory of the new root.

[Managor]

Suggested change

	- Move the current root to `/old_root` and make `/new_root` the new root:
	- Make `/new_root` the new root (`/`) and move current root to a subdirectory of it: