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by Clint Adams
ischroot utility by Aurelien Jarno to detect chrootedness. |
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.\" -*- nroff -*- |
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42
by Clint Adams
* tempfile.1: state in the man page that tempfile is |
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.TH ISCHROOT 1 "30 May 2011" "Debian" |
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41
by Clint Adams
ischroot utility by Aurelien Jarno to detect chrootedness. |
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.SH NAME |
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ischroot \- detect if running in a chroot
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.SH SYNOPSIS |
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.B ischroot |
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[\-\-default\-false] [\-\-default\-true] [\-\-help] [\-\-version] |
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.SH DESCRIPTION |
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.PP
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.B ischroot |
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detects if it is currently running in a chroot. The exit status is: |
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.TP
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0 |
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if currently running in a chroot |
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.TP
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1 |
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if currently not running in a chroot |
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.TP
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2 |
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42
by Clint Adams
* tempfile.1: state in the man page that tempfile is |
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if the detection is not possible (On GNU/Linux this happens if the |
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script is not run as root). |
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41
by Clint Adams
ischroot utility by Aurelien Jarno to detect chrootedness. |
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.SH OPTIONS |
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.TP
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.B "-f, --default-false " |
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Exit with status 1 if the detection is not possible. |
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.TP
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.B "-t, --default-true " |
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Exit with status 0 if the detection is not possible. |
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.TP
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.B "--help" |
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Print a usage message on standard output and exit successfully. |
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.TP
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.B "--version" |
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Print version information on standard output and exit successfully. |
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.SH BUGS |
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42
by Clint Adams
* tempfile.1: state in the man page that tempfile is |
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On GNU/Linux, chroot detection is not possible when not root. This |
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works correctly on GNU/Hurd and GNU/kFreeBSD. |