NAME
mksquashfs - tool to create and append to squashfs filesystems
SYNOPSIS
mksquashfs SOURCE [SOURCE2 ...] DESTINATION [OPTIONS]
DESCRIPTION
Squashfs is a highly compressed read-only filesystem for Linux. It uses
zlib compression to compress both files, inodes and directories. Inodes
in the system are very small and all blocks are packed to minimise data
overhead. Block sizes greater than 4K are supported up to a maximum of
64K.
Squashfs is intended for general read-only filesystem use, for archival
use (i.e. in cases where a .tar.gz file may be used), and in
constrained block device/memory systems (e.g. embedded systems) where
low overhead is needed.
OPTIONS
-all-root
make all files owned by root.
-always-use-fragments
use fragment blocks for files larger than block size.
-b block_size
set data block to block_size. Default 131072 bytes.
-e exclude
list of exclude dirs/files.
-ef exclude_file
list of exclude dirs/files. One per line.
-force-gid gid
set all file gids to gid.
-force-uid uid
set all file uids to uid.
-fragment-queue size
Set fagment queue to size Mbytes. Default 64 Mbytes.
-info
print files written to filesystem.
-keep-as-directory
if one source directory is specified, create a root directory
containing that directory, rather than the contents of the
directory.
-noappend
do not append to existing filesystem.
-noDataCompression
alternative name for -noD.
-noD
do not compress data blocks.
-no-duplicates
do not perform duplicate checking.
-no-exports
don’t make the filesystem exportable via NFS.
-noF
do not compress fragment blocks.
-noFragmentCompression
alternative name for -noF.
-no-fragments
do not use fragments.
-noI
do not compress inode table.
-noInodeCompression
alternative name for -noI.
-nopad
do not pad filesystem to a multiple of 4K.
-no-progress
don’t display the progress bar.
-no-recovery
don’t generate a recovery file.
-no-sparse
don’t detect sparse files.
-pf pseudo-file
Add list of pseudo file definitions.
-p pseudo-definition
Add pseudo file definition.
-processors number
Use number processors. By default will use number of processors
available.
-read-queue size
Set input queue to size Mbytes. Default 64 Mbytes.
-recover name
recover filesystem data using recovery file name.
-regex
Allow POSIX regular expressions to be used in exclude dirs/files.
-root-becomes name
when appending source files/directories, make the original root
become a subdirectory in the new root called name, rather than
adding the new source items to the original root.
-root-owned
alternative name for -all-root.
-sort sort_file
sort files according to priorities in sort_file. One file or dir
with priority per line. Priority -32768 to 32767, default priority
0.
-version
print version, licence and copyright message.
-wildcards
Allow extended shell wildcards (globbing) to be used in exclude
dirs/files.
-write-queue size
Set output queue to size Mbytes. Default 512 Mbytes.
SEE ALSO
unsquashfs(1)
HOMEPAGE
More information about mksquashfs and the squashfs filesystem can be
found at <http://squashfs.sourceforge.net/>.
AUTHOR
squashfs was written by Phillip Lougher
<plougher@users.sourceforge.net>.
This manual page was written by Daniel Baumann <daniel@debian.org>, for
the Debian project (but may be used by others).