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Annotation of dmsdos/man/dutil.1, revision 1.1

1.1     ! root        1: .TH dutil 1 "16 Jun 1998" "dmsdos 0.9.1.3" "dmsdos utilities"
        !             2: .SH NAME
        !             3: dutil \- dmsdos hacker's utility
        !             4: .SH SYNOPSIS
        !             5: 
        !             6: .BI dutil " directory [command [options ...]]"
        !             7: 
        !             8: .SH DESCRIPTION
        !             9: Perform 
        !            10: .I command
        !            11: on the CVF that is mounted under
        !            12: .I directory.
        !            13: In fact,
        !            14: .I directory
        !            15: may be also a subdirectory of the mountpoint.
        !            16: 
        !            17: If no
        !            18: .I command
        !            19: is given, general information about the CVF is printed.
        !            20: 
        !            21: 
        !            22: .B List of commands
        !            23: 
        !            24: 
        !            25: .B cluster \- print cluster information
        !            26: 
        !            27: .B sector \- read raw sector from disk and hexdump it
        !            28: 
        !            29: .B rrawcluster \- read raw cluster from disk and hexdump it
        !            30: 
        !            31: .B rcluster \- read and decompress cluster and hexdump it
        !            32: 
        !            33: .B bitfat \- print bitfat content
        !            34: 
        !            35: .B setcomp \- change compression format
        !            36: 
        !            37: .B setcf \- change compression level
        !            38: 
        !            39: .B dumpcache \- dump cache information to syslog
        !            40: 
        !            41: .B synccache \- write dirty clusters to disk immediately
        !            42: 
        !            43: .B logstat \- dump statistics to syslog
        !            44: 
        !            45: .B checkfs \- check filesystem tables
        !            46: 
        !            47: .B setloglevel \- change dmsdos log level
        !            48: 
        !            49: .B setspeedup \- change dmsdos speedup flags
        !            50: 
        !            51: .B memory \- report dmsdos memory usage for caching
        !            52: 
        !            53: 
        !            54: .B The commands in detail
        !            55: 
        !            56: 
        !            57: .B dutil directory cluster 
        !            58: .I clusternr
        !            59: 
        !            60: Print information about cluster
        !            61: .I clusternr.
        !            62: 
        !            63: .B dutil directory sector
        !            64: .I sectornr [file]
        !            65: 
        !            66: Read raw sector
        !            67: .I sectornr
        !            68: from disk and print it as hexdump. If
        !            69: .I file
        !            70: is given, it is written to a binary file (raw, not as hexdump).
        !            71: 
        !            72: .B dutil directory rrawcluster
        !            73: .I clusternr [file]
        !            74: 
        !            75: Read raw cluster data from cluster
        !            76: .I clusternr
        !            77: from disk and print it as hexdump. If
        !            78: .I file
        !            79: is given, it is written to a binary file (raw, not as hexdump).
        !            80: The cluster data are not decompressed. This command does not work for
        !            81: fragmented or suballocated clusters and may return complete garbage
        !            82: in these cases.
        !            83: 
        !            84: .B dutil directory rcluster
        !            85: .I clusternr [file]
        !            86: 
        !            87: Read and decompress cluster
        !            88: .I clusternr
        !            89: from disk and print it as hexdump. If
        !            90: .I file
        !            91: is given, it is written to a binary file (raw, not as hexdump).
        !            92: 
        !            93: .B dutil directory bitfat
        !            94: .I sectornr
        !            95: 
        !            96: Read bitfat allocation information of sector
        !            97: .I sectornr
        !            98: from disk and print it.
        !            99: 
        !           100: .B dutil directory setcomp
        !           101: .I value
        !           102: 
        !           103: Set compression scheme for write access.
        !           104: .I value 
        !           105: must be one out of
        !           106: .B guess ds00 ds01 ds02 jm00 jm01 sq00 sd3 sd4 .
        !           107: See the dmsdos driver documentation about compression schemes.
        !           108: 
        !           109: .B dutil directory setcf
        !           110: .I value
        !           111: 
        !           112: Set compression level for write access.
        !           113: .I value 
        !           114: must be one out of the range
        !           115: .BR 1 " - " 12.
        !           116: A higher level means better but slower compression.
        !           117: 
        !           118: .B dutil directory dumpcache
        !           119: 
        !           120: Dump dmsdos cache information to syslog.
        !           121: 
        !           122: .B dutil directory synccache
        !           123: .I [value]
        !           124: 
        !           125: Write dirty clusters back to disk immediately. If
        !           126: .I value 
        !           127: is given and not zero, the data may be passed to the compression
        !           128: daemon instead of written directly to disk. Otherwise the command
        !           129: waits until the data are compressed and written. If you want to ensure
        !           130: physical write access to disk also 
        !           131: .BR sync(1) 
        !           132: the buffer cache.
        !           133: 
        !           134: .B dutil directory logstat
        !           135: 
        !           136: Write dmsdos statistics to syslog.
        !           137: 
        !           138: .B dutil directory checkfs
        !           139: .I [value]
        !           140: 
        !           141: Check the CVF internal tables for inconsistencies. If
        !           142: .I value 
        !           143: is given and not zero, try to repair errors.
        !           144: 
        !           145: .B dutil directory setloglevel
        !           146: .I value
        !           147: 
        !           148: Set the dmsdos driver log level.
        !           149: .I value 
        !           150: must be a decimal or a 0x prefixed hexadecimal number.
        !           151: See the dmsdos driver documentation for details about log levels.
        !           152: 
        !           153: .B dutil directory setspeedup
        !           154: .I value
        !           155: 
        !           156: Set the dmsdos driver speedup flags.
        !           157: .I value 
        !           158: must be a decimal or a 0x prefixed hexadecimal number.
        !           159: See the dmsdos driver documentation for details about the speedup flags.
        !           160: 
        !           161: .B dutil directory memory
        !           162: 
        !           163: Report how much memory the dmsdos driver currently uses for caching.
        !           164: 
        !           165: .SH BUGS
        !           166: 
        !           167: The dutil commands for reading data from disk operate at a lower level than
        !           168: the dmsdos cluster cache.
        !           169: .I You must disable dmsdos write-back caching or sync the dmsdos cluster 
        !           170: .I cache before each operation to get correct results in all cases.
        !           171: 
        !           172: 
        !           173: .SH SEE ALSO
        !           174: 
        !           175: Refer to the dmsdos main documentation for further information.

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