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Annotation of coherent/a/usr/man/COHERENT/compress, revision 1.1

1.1     ! root        1: 
        !             2: 
        !             3: compress                     Command                     compress
        !             4: 
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        !             7: 
        !             8: Compress a file
        !             9: 
        !            10: ccoommpprreessss [ -ddffvvcc ] [ -bb_n_u_m ] [ -ww _t_e_m_p_f_i_l_e ] [ _f_i_l_e ... ]
        !            11: 
        !            12: compress compresses a  file using the Lempel-Ziv algorithm.  With
        !            13: text  files  and  archives, it  often  can  achieve  50% rate  of
        !            14: compression.
        !            15: 
        !            16: If one or more files  are specified on the command, compress com-
        !            17: presses them and appends the suffix  .ZZ onto the end of each com-
        !            18: pressed  file's name.   If no  file is  specified on  the command
        !            19: line, compress compresses text from the standard input and writes
        !            20: the compressed text to the standard output.
        !            21: 
        !            22: compress recognizes the following options:
        !            23: 
        !            24: -dd   Decompress rather than compress.
        !            25: 
        !            26: -ff   Force  an output file  to be generated  even if no  space is
        !            27:      saved by compression.
        !            28: 
        !            29: -vv   Verbose  mode: force compress to  write statistics about its
        !            30:      performance.
        !            31: 
        !            32: -cc   Send output to stdout.
        !            33: 
        !            34: -bb   The  ``bits'' option.   compress uses the  compression level
        !            35:      set  via the  num argument.   Previous releases  of compress
        !            36:      would only allow  values of num up to 12,  with 12 being the
        !            37:      default value if the  -b option was not specified.  The ver-
        !            38:      sion of compress  introduced with COHERENT version 3.1 hand-
        !            39:      les values up to 16, with 12 being the default.
        !            40: 
        !            41: -ww   The  ``workfile'' option.   compress uses workfile  to write
        !            42:      its  temporary file.   By default  compress uses  RAM device
        !            43:      /dev/ram1  for temporary  storage.  For  this reason,  it is
        !            44:      strongly advised  that you not use /dev/ram1  as a RAM disk.
        !            45:      This  option  may  be  necessary  on machines  with  limited
        !            46:      amounts of RAM.
        !            47: 
        !            48: If  you  wish to  ensure  backwards  compatibility with  previous
        !            49: releases  of  COHERENT, do  not  use compress  with  a num  value
        !            50: greater than 12.
        !            51: 
        !            52: ***** See Also *****
        !            53: 
        !            54: commands, ram, uncompress, zcat
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        !            63: 
        !            64: COHERENT Lexicon                                           Page 1
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