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ISCHROOT(1) General Commands Manual ISCHROOT(1)

NAME

ischroot - detect if running in a chroot

SYNOPSIS

ischroot [--default-false] [--default-true] [--help] [--version]

DESCRIPTION

ischroot detects if it is currently running in a chroot. The exit status is:

0
if currently running in a chroot
1
if currently not running in a chroot
2
if the detection is not possible (On GNU/Linux this happens if the script is not run as root).

OPTIONS

Exit with status 1 if the detection is not possible.
Exit with status 0 if the detection is not possible.
Print a usage message on standard output and exit successfully.
Print version information on standard output and exit successfully.

BUGS

On GNU/Linux, chroot detection is not possible when not root. This works correctly on GNU/Hurd and GNU/kFreeBSD.

30 May 2011 Debian