By: Strauss K in macos Tutorials on 2011-02-03
chroot is a command-line utility used in Unix-based operating systems, including Mac OS X, to change the root directory for a process or a user. In Mac OS X, which is based on the Unix-like operating system, macOS,
chroot is available in the Terminal application.
chroot command is used to create a new file system environment that is isolated from the rest of the system. This can be useful for running programs or processes that require a different file system environment than the one provided by the host operating system.
chroot, you first need to create a new directory that will serve as the root of the new file system environment. For example, you could create a directory named "newroot" in your home directory:
Then, you can use the
chroot command to change the root directory for a process or a user to the "newroot" directory:
sudo chroot ~/newroot command
Replace "command" with the command or program that you want to run in the new file system environment. You may need to use the
sudo command before
chroot if you don't have the necessary permissions to modify the file system.
For example, if you want to run the "bash" shell in the new file system environment, you would use the following command:
sudo chroot ~/newroot /bin/bash
After running this command, the "bash" shell would be run in the new file system environment, which is isolated from the rest of the system.
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