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Chroot

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…

History & Applications

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History

Version 7 UnixBill Joy4.2BSDBill CheswickHoneypot
19 related topics

Notable applications

PostfixSUSEFedoraRed HatRPMs
9 related topics

Limitations

NetBSDRoot userI/OScratch spaceDevice nodes
11 related topics

Graphical applications on chroot

XhostXnestXephyrSSHVNC
5 related topics

Key facts & relationships

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Developers
Various open-source and commercial developers
Operating system
Unix, Unix-like, Plan 9, Inferno
Original authors
Bill Joy, AT&T Bell Laboratories
Platform
Cross-platform
Release
1979; 47 years ago (1979)
Type
Command

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Overview

History

Uses

Limitations

Graphical applications on chroot

Notable applications

Advanced semantic analysis

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Map overview Semantic statistics

Chroot

Nodes64
Edges63
Triples68
Avg. degree1.97
Density0.03125
Components1

How this topic connects Entity context

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Chroot

Top relations

has application · 24
Chroot → Accessing, An X11 VNC, Atoms, Debian, Fedora, GUI, It, Like, Linux, Nested, Red Hat, RPM-based, RPMs, SSH, SUSE, The Postfix, Ubuntu, Use, VNC, X11
related to history · 14
Chroot → All, An, August, Bill Cheswick, Bill Joy, BSD, Carole Fennelly, January, March, One, SunWorld Online, The, Unix, Version
related to Limitations · 10
Chroot → CPU, FreeBSD, I/O, It, Most Unixes, NetBSD, Note, On, The, To
related to External links · 7
Chroot → Android, FreeBSD System Calls Manualchroot, FreeBSD System Manager's Manualchroot, GNU/Linux, Linux Programmer's Manual, Manned, System Calls
related to Linux host kernel virtual file systems and configuration files · 2
Chroot → Linux, To
Developers · 1
Chroot → Various open-source and commercial developers
Operating system · 1
Chroot → Unix, Unix-like, Plan 9, Inferno
Original authors · 1
Chroot → Bill Joy, AT&T Bell Laboratories
Platform · 1
Chroot → Cross-platform
Release · 1
Chroot → 1979; 47 years ago (1979)

Important terminology Word statistics

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Important terminology

system linux jail systems root directory use chrooted program environment files unix mechanism process call shell file freebsd command security

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
ChrootDevelopersVarious open-source and commercial developers1.00infobox
ChrootOperating systemUnix, Unix-like, Plan 9, Inferno1.00infobox
ChrootOriginal authorsBill Joy, AT&T Bell Laboratories1.00infobox
ChrootPlatformCross-platform1.00infobox
ChrootRelease1979; 47 years ago (1979)1.00infobox
ChrootTypeCommand1.00infobox
Chrootis ashell 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 children0.90text
Jailkit can help to easeinstance ofTools0.80text
automate this process.Only the root user can perform a chrootinstance ofTools0.80text
mock.Many FTP servers for POSIX systems use the chroot mechanism to sandbox untrusted FTP clientsinstance ofand various other RPM-based distributions build all RPMs using a chroot tool0.80text
Chroothas applicationIt0.60section
Chroothas applicationUse0.60section

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