Compressed Filesystem for Linux Post: 302820925

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LEARN ABOUT OPENSOLARIS

fiocompress

fiocompress(1M) 					  System Administration Commands					   fiocompress(1M)

NAME

       fiocompress - file compression utility

SYNOPSIS

       /sbin/fiocompress -c [-m] [-b block_size] input_file output_file

       /sbin/fiocompress -d input_file output_file

DESCRIPTION

       The  fiocompress utility is a file compression tool that works together with the dcfs(7FS) file system to perform per-file compression. You
       can use fiocompress to decompress a compressed file or mark a compressed file as compressed, causing automatic decompression on	read.  The
       primary use of fiocompress is to compress files in the boot archive.

       Note that this utility is not a Committed interface. See attributes(5).

OPTIONS

       The following options are supported:

       -b block_size

	   Specify a block size for compression. The default block size is 8192.

       -c

	   Compress the specified file.

       -d

	   Decompress the specified file.

       -m

	   Mark the compressed file for automatic decompression on read. Can be used only in conjunction with -c.

EXIT STATUS

       0

	   The command completed successfully.

       -1

	   The command exited due to an error.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsr			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Private			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       boot(1M), bootadm(1M), dcfs(7FS), ufs(7FS), attributes(5)

NOTES

       This compression/decompression utility works only with files stored in a UFS file system.

       There  is  no  obvious  way  to	determine whether a given file is compressed, other than copying the file and comparing the number of disk
       blocks of the copy against the original.

SunOS 5.11							    10 Dec 2008 						   fiocompress(1M)

10 More Discussions You Might Find Interesting

1. Filesystems, Disks and Memory

Filesystem for Linux - Solaris

Discussion started by: SolidSnake

2. Linux

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Discussion started by: gkrishn

3. Tips and Tutorials

Linux Filesystem Hierarchy

Discussion started by: tayyabq8

4. Programming

Uncompress on linux a UDP Payload compressed on win$ using closed source library

Discussion started by: sysadmin9