1UNSQUASHFS(1)           uncompress squashfs filesystems          UNSQUASHFS(1)
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NAME

6       mksquashfs - tool to uncompress squashfs filesystems
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SYNOPSIS

10       unsquashfs [OPTIONS] FILESYSTEM [directories or files to extract]
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DESCRIPTION

14       Squashfs is a highly compressed read-only filesystem for Linux. It uses
15       zlib compression to compress both files, inodes and directories. Inodes
16       in the system are very small and all blocks are packed to minimize data
17       overhead. Block sizes greater than 4K are supported up to a maximum  of
18       64K.
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20       Squashfs is intended for general read-only filesystem use, for archival
21       use (i.e. in cases where a .tar.gz file  may  be  used),  and  in  con‐
22       strained  block device/memory systems (e.g. embedded systems) where low
23       overhead is needed.
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OPTIONS

27       -v, -version
28           print version, licence and copyright information.
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30       -d PATHNAME, -dest PATHNAME
31           unsquash to PATHNAME, default "squashfs-root".
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33       -n, -no-progress
34           don't display the progress bar.
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36       -no, -no-xattrs
37           don't extract xattrs in file system.
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39       -x, -xattrs
40           extract xattrs in file system (default).
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42       -u, -user-xattrs
43           only extract user xattrs in file system. Enables extracting xattrs.
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45       -p NUMBER, -processors NUMBER
46           use NUMBER processors. By default will  use  number  of  processors
47           available.
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49       -i, -info
50           print files as they are unsquashed.
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52       -li, -linfo
53           print files as they are unsquashed with file attributes (like ls -l
54           output).
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56       -l, -ls
57           list filesystem, but don't unsquash.
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59       -ll, -lls
60           list filesystem with file attributes (like ls -l output), but don't
61           unsquash.
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63       -f, -force
64           if file already exists then overwrite.
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66       -s, -stat
67           display filesystem superblock information.
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69       -e EXTRACT_FILE, -ef EXTRACT_FILE
70           list of directories or files to extract. One per line.
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72       -da SIZE, -data-queue SIZE
73           Set data queue to SIZE Mbytes. Default 256 Mbytes.
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75       -fr SIZE, -frag-queue SIZE
76           Set fragment queue to SIZE Mbytes. Default 256 Mbytes.
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78       -r, -regex
79           treat  extract  names  as POSIX regular expressions rather than use
80           the default shell wildcard expansion (globbing).
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83   Decompressors available
84       gzip
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86       lzma
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88       lzo
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90       lz4
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92       xz
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SEE ALSO

96       mksquashfs(1)
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HOMEPAGE

100       More information about unsquashfs and the squashfs  filesystem  can  be
101       found at <http://squashfs.sourceforge.net/>.
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AUTHOR

105       squashfs   was   written  by  Phillip  Lougher  <plougher@users.source‐
106       forge.net>.
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108       This  manual  page  was  written   by   Daniel   Baumann   <daniel.bau‐
109       mann@progress-technologies.net>. With some updates for 4.4 for use with
110       Fedora.
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1144.4                               2020-05-12                     UNSQUASHFS(1)