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| chroot | |
|---|---|
 Example usage of chroot in Raspberry Pi OS running an interactive shell within a special root directory | |
| Original author(s) | Bill Joy, AT&T Bell Laboratories |
| Developer(s) | Various open-source and commercial developers |
| Initial release | 1979 |
| Operating system | Unix, Unix-like, Plan 9, Inferno |
| Platform | Cross-platform |
| Type | Command |
chroot is a shell command and a system call on Unix and Unix-like operating systems that changes the apparent root directory for the current running process and its children. A program that is run in such a modified environment cannot name (and therefore normally cannot access) files outside the designated directory tree. The term chroot may refer to the chroot(2) system call or the chroot(8) command-line utility. The modified environment is called a chroot jail.