fiocompress man page on SmartOS

Printed from http://www.polarhome.com/service/man/?qf=fiocompress&af=0&tf=2&of=SmartOS

FIOCOMPRESS(1M)						       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  pri‐
       mary 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 │
       ├────────────────────┼─────────────────┤
       │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  com‐
       pressed,	 other	than copying the file and comparing the number of disk
       blocks of the copy against the original.

				 Dec 10, 2008		       FIOCOMPRESS(1M)
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