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.IX Title "LSB_RELEASE 1"
.TH LSB_RELEASE 1 2026-10-10 "lsb_release 12.1" "User Commands"
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.SH NAME
lsb_release \- print distribution\-specific information (minimal
implementation).
.SH SYNOPSIS
.IX Header "SYNOPSIS"
\&\fBlsb_release\fR \fI[options]\fR
.SH DESCRIPTION
.IX Header "DESCRIPTION"
This is a bare\-bones version of the \fBlsb_release\fR command,
implemented as a tiny POSIX shell script (less than 100 lines of
commented code).
.PP
Instead of using LSB packages, this version of \fBlsb_release\fR uses the
information in \fI/etc/os\-release\fR and \fI/usr/lib/os\-release\fR.
Nevertheless, the output of this version is byte\-for\-byte compatible
with the Python\-based version provided by Debian and its derivatives.
.PP
Using this implementation it is possible to avoid installing Python in a
base OS image while still retaining compatibility with older scripts that
expect \fBlsb_release\fR to exist.
.SH OPTIONS
.IX Header "OPTIONS"
The program follows the usual GNU command line syntax, with long options
starting with two dashes (\f(CW\*(C`\-\-\*(C'\fR).  A summary of options are included below.
.IP "\fB\-h\fR, \fB\-\-help\fR" 4
.IX Item "-h, --help"
Show a help message with a list of options and exit.
.IP "\fB\-v\fR, \fB\-\-version\fR" 4
.IX Item "-v, --version"
Show LSB modules this system supports.
.IP "\fB\-i\fR, \fB\-\-id\fR" 4
.IX Item "-i, --id"
Show distributor ID.
.IP "\fB\-d\fR, \fB\-\-description\fR" 4
.IX Item "-d, --description"
Show description of this distribution.
.IP "\fB\-r\fR, \fB\-\-release\fR" 4
.IX Item "-r, --release"
Show release number of this distribution.
.IP "\fB\-c\fR, \fB\-\-codename\fR" 4
.IX Item "-c, --codename"
Show code name of this distribution.
.IP "\fB\-a\fR, \fB\-\-all\fR" 4
.IX Item "-a, --all"
Show all of the above information.
.IP "\fB\-s\fR, \fB\-\-short\fR" 4
.IX Item "-s, --short"
Show requested information in short format.
.SH FILES
.IX Header "FILES"
.IP \fI/usr/lib/os\-release\fR 4
.IX Item "/usr/lib/os-release"
Distribution\-provided file with operating system identification data.
.IP \fI/etc/os\-release\fR 4
.IX Item "/etc/os-release"
Machine\-specific file with operating system identification data.
If present, \fI/etc/os\-release\fR is read instead of \fI/usr/lib/os\-release\fR.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBos\-release\fR\|(5)
.SH AUTHOR
.IX Header "AUTHOR"
Gioele Barabucci <https://gioele.io>
.SH LICENSE
.IX Header "LICENSE"
This implementation of \fBlsb_release\fR is free software released under
the terms of the ISC license.