1fiocompress(1M) System Administration Commands fiocompress(1M)
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6 fiocompress - file compression utility
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9 /sbin/fiocompress -c [-m] [-b block_size] input_file output_file
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12 /sbin/fiocompress -d input_file output_file
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16 The fiocompress utility is a file compression tool that works together
17 with the dcfs(7FS) file system to perform per-file compression. You can
18 use fiocompress to decompress a compressed file or mark a compressed
19 file as compressed, causing automatic decompression on read. The pri‐
20 mary use of fiocompress is to compress files in the boot archive.
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23 Note that this utility is not a Committed interface. See attributes(5).
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26 The following options are supported:
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28 -b block_size
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30 Specify a block size for compression. The default block size is
31 8192.
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34 -c
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36 Compress the specified file.
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39 -d
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41 Decompress the specified file.
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44 -m
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46 Mark the compressed file for automatic decompression on read. Can
47 be used only in conjunction with -c.
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51 0
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53 The command completed successfully.
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56 -1
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58 The command exited due to an error.
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62 See attributes(5) for descriptions of the following attributes:
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67 ┌─────────────────────────────┬─────────────────────────────┐
68 │ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
69 ├─────────────────────────────┼─────────────────────────────┤
70 │Availability │SUNWcsr │
71 ├─────────────────────────────┼─────────────────────────────┤
72 │Interface Stability │Private │
73 └─────────────────────────────┴─────────────────────────────┘
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76 boot(1M), bootadm(1M), dcfs(7FS), ufs(7FS), attributes(5)
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79 This compression/decompression utility works only with files stored in
80 a UFS file system.
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83 There is no obvious way to determine whether a given file is com‐
84 pressed, other than copying the file and comparing the number of disk
85 blocks of the copy against the original.
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89SunOS 5.11 10 Dec 2008 fiocompress(1M)