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afscexpand(1) [osx man page]

afscexpand(1)						    BSD General Commands Manual 					     afscexpand(1)

afscexpand -- decompress files compressed with HFS+ compression SYNOPSIS
afscexpand [-c] path [...] DESCRIPTION
The afscexpand command is used to decompress files compressed with HFS+ compression. Paths specified are recursively traversed (while remaining on the starting filesystem) and all encountered files are decompressed. If the -c option is specified, the encountered files will not be decompressed, but their contents will be printed to standard output. HISTORY
afscexpand first appeared in Mac OS X 10.6. Mac OS X February 7, 2009 Mac OS X

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NEWFS_HFS(8)						    BSD System Manager's Manual 					      NEWFS_HFS(8)

mkfs.hfs -- construct a new HFS Plus file system SYNOPSIS
mkfs.hfs [-N [partition-size]] [-U uid] [-G gid] [-M mask] [-h | -w] [-s] [-b block-size] [-c clump-size-list] [-i first-cnid] [-J [journal-size]] [-n node-size-list] [-v volume-name] special DESCRIPTION
mkfs.hfs builds an HFS Plus file system on the specified special device. The file system default parameters are calculated based on the size of the disk partition. Typically the defaults are reasonable, however mkfs.hfs has several options to allow the defaults to be selectively overridden. The options are as follows: -N [partition-size] Causes the file system parameters to be printed out without really creating the file system. -U uid Set the owner of the file system's root directory to uid. -G gid Set the group of the file system's root directory to gid. -M mask Specify the access permissions mask for the file system's root directory. -h Creates a legacy HFS format filesystem. This option is not recommended for file systems that will be primarily used with Mac OS X or Darwin. -s Creates a case-sensitive HFS Plus filesystem. By default a case-insensitive filesystem is created. Case-sensitive HFS Plus file systems require a Mac OS X version of 10.3 (Darwin 7.0) or later. -w Adds an HFS wrapper around the HFS Plus file system. This wrapper is required if the file system will be used to boot natively into Mac OS 9. -b block-size The allocation block size of the file system. The default value is 4096. -c clump-size-list This specifies the clump and/or initial sizes, in allocation blocks, for the various metadata files. Clump sizes are specified with the -c option followed by a comma separated list of the form arg=blocks. Example: -c c=5000,e=500 a=blocks Set the attribute file clump size. b=blocks Set the allocation bitmap file clump size. c=blocks Set the catalog file clump size. e=blocks Set the extent overflow file clump size. -i first-cnid This specifies the initial catalog node ID for user files and directories. The default value is 16. -J [journal-size] Creates a journaled HFS+ volume. The default journal size is 8MB. Appending an 'M' to the journal size implies megabytes (i.e. 64M is 64 megabytes). The maximum journal size is 512 megabytes. -n node-size-list This specifies the b-tree node sizes, in bytes, for the various b-tree files. Node sizes are specified with the -n option fol- lowed by a comma separated list of the form arg=bytes. The node size must be a power of two and no larger than 32768 bytes. Example: -n c=8192,e=4096 a=bytes Set the attribute b-tree node size. c=bytes Set the catalog b-tree node size. e=bytes Set the extent overflow b-tree node size. -v volume-name Volume name (file system name) in ascii or UTF-8 format. SEE ALSO
mount(8) HISTORY
The mkfs.hfs command appeared in Mac OS X Server 1.0 . Mac OS X April 1, 2003 Mac OS X
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