chroot
Sign in to savechroot 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 system call or the command-line utility. The modified environment is called a chroot jail. thumb|Chroot: from Gentoo to Ubuntu
Key facts
- Software.name
- chroot
- Software.screenshot
- Chroot-command-example.png
- Software.caption
- Example usage of chroot in Raspberry Pi OS running an interactive shell within a special root directory
- Software.author
- Bill Joy, AT&T Bell Laboratories
- Software.developer
- Various open-source and commercial developers
- Software.operating system
- Unix, Unix-like, Plan 9, Inferno
- Software.platform
- Cross-platform
- Software.genre
- Command
via Wikipedia infobox
Article
9 sectionsContents
- History
- Uses
- Limitations
- Graphical applications on chroot
- Notable applications
- Linux host kernel virtual file systems and configuration files
- See also
- References
- External links
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 system call or the command-line utility. The modified environment is called a chroot jail. thumb|Chroot: from Gentoo to Ubuntu
==History== The system call was introduced during development of Version 7 Unix in 1979. One source suggests that Bill Joy added it on 18 March 1982 – 17 months before 4.2BSD was released – in order to test its installation and build system. All versions of BSD that had a kernel have . An early use of the term "jail" as applied to comes from Bill Cheswick creating a honeypot to monitor a hacker in 1991.