diff options
Diffstat (limited to 'usr.bin')
| -rw-r--r-- | usr.bin/compress/compress.1 | 51 |
1 files changed, 28 insertions, 23 deletions
diff --git a/usr.bin/compress/compress.1 b/usr.bin/compress/compress.1 index 5b9c73cd21f..518f62253d0 100644 --- a/usr.bin/compress/compress.1 +++ b/usr.bin/compress/compress.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: compress.1,v 1.22 2003/07/20 13:25:52 millert Exp $ +.\" $OpenBSD: compress.1,v 1.23 2003/08/01 09:38:00 jmc Exp $ .\" $NetBSD: compress.1,v 1.5 1995/03/26 09:44:34 glass Exp $ .\" .\" Copyright (c) 1986, 1990, 1993 @@ -138,11 +138,14 @@ not removed, and the attributes of the input file are not retained. The options are as follows: .Bl -tag -width Ds .It Fl V -Display the program version (RCS Ids of the source files) and exit. +Display the program version +.Pq RCS IDs of the source files +and exit. .It Fl b Ar bits Specify the .Ar bits -code limit (see below). +code limit +.Pq see below . .It Fl c Compressed or uncompressed output is written to the standard output. No files are modified (force @@ -168,28 +171,30 @@ Print a short help message. .It Fl l List information for the specified compressed files. The following information is listed: -.Bl -tag -width Ds -offset indent +.Bl -tag -width "compression ratio" .It compressed size -size of the compressed file +Size of the compressed file. .It uncompressed size -size of the file when uncompressed +Size of the file when uncompressed. .It compression ratio -ratio of the difference between the compressed and uncompressed +Ratio of the difference between the compressed and uncompressed sizes to the uncompressed size. .It uncompressed name -name the file will be saved as when uncompressing +Name the file will be saved as when uncompressing. .El .Pp If the .Fl v option is specified, the following additional information is printed: -.Bl -tag -width Ds -offset indent +.Bl -tag -width "compression method" .It compression method -name of the method used to compress the file +Name of the method used to compress the file. .It crc -32-bit crc of the uncompressed file +32-bit CRC +.Pq cyclic redundancy code +of the uncompressed file. .It "time stamp" -date and time corresponding to the last data modification time +Date and time corresponding to the last data modification time (mtime) of the compressed file (if the .Fl n option is specified, the time stamp stored in the compressed file @@ -256,9 +261,8 @@ limit specified by the .Fl b flag is reached. .Ar bits -must be between 9 and 16 (the default is 16). -.\" XXX - use .br here to work-around an apparent bug in mdoc -.br +must be between 9 and 16 +.Pq the default is 16 . .Pp After the .Ar bits @@ -300,9 +304,9 @@ The amount of compression obtained depends on the size of the input, the number of .Ar bits per code, and the distribution of common substrings. -Typically, text such as source code or English is reduced by 50\-60% using +Typically, text such as source code or English is reduced by 50 \- 60% using .Nm -and by 60\-70% using +and by 60 \- 70% using .Nm gzip . Compression is generally much better than that achieved by Huffman coding (as used in the historical command pack), or adaptive Huffman @@ -330,6 +334,7 @@ The file was compressed successfully. An error occurred. .It Li 2 A warning occurred. +.El .Sh SEE ALSO .Rs .%A Welch, Terry A. @@ -341,12 +346,12 @@ A warning occurred. .Re .Pp .Bl -tag -width 12n -compact -.It RFC1950 -ZLIB Compressed Data Format Specification -.It RFC1951 -DEFLATE Compressed Data Format Specification -.It RFC1952 -GZIP File Format Specification +.It RFC 1950 +ZLIB Compressed Data Format Specification. +.It RFC 1951 +DEFLATE Compressed Data Format Specification. +.It RFC 1952 +GZIP File Format Specification. .El .Sh STANDARDS The |