ischroot

detect if running in a chroot

Synopsis

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

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description

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

if currently running in a chroot

if currently not running in a chroot

if the detection is not possible (On GNU/Linux this happens if the script is not run as root).

options

-f, --default-false

Exit with status 1 if the detection is not possible.

-t, --default-true

Exit with status 0 if the detection is not possible.

--help

Print a usage message on standard output and exit successfully.

--version

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.