diff options
Diffstat (limited to 'src/xz/xz.1')
| -rw-r--r-- | src/xz/xz.1 | 192 |
1 files changed, 96 insertions, 96 deletions
diff --git a/src/xz/xz.1 b/src/xz/xz.1 index f7e5ac49..875b4ff3 100644 --- a/src/xz/xz.1 +++ b/src/xz/xz.1 @@ -2049,107 +2049,13 @@ easier to parse by other programs. Currently .B \-\-robot is supported only together with -.BR \-\-version , +.BR \-\-list , .BR \-\-info\-memory , and -.BR \-\-list . +.BR \-\-version . It will be supported for compression and decompression in the future. . -.SS Version -.B "xz \-\-robot \-\-version" -will print the version number of -.B xz -and liblzma in the following format: -.PP -.BI XZ_VERSION= XYYYZZZS -.br -.BI LIBLZMA_VERSION= XYYYZZZS -.TP -.I X -Major version. -.TP -.I YYY -Minor version. -Even numbers are stable. -Odd numbers are alpha or beta versions. -.TP -.I ZZZ -Patch level for stable releases or -just a counter for development releases. -.TP -.I S -Stability. -0 is alpha, 1 is beta, and 2 is stable. -.I S -should be always 2 when -.I YYY -is even. -.PP -.I XYYYZZZS -are the same on both lines if -.B xz -and liblzma are from the same XZ Utils release. -.PP -Examples: 4.999.9beta is -.B 49990091 -and -5.0.0 is -.BR 50000002 . -. -.SS "Memory limit information" -.B "xz \-\-robot \-\-info\-memory" -prints a single line with three tab-separated columns: -.IP 1. 4 -Total amount of physical memory (RAM) in bytes. -.IP 2. 4 -Memory usage limit for compression in bytes -.RB ( \-\-memlimit\-compress ). -A special value of -.B 0 -indicates the default setting -which for single-threaded mode is the same as no limit. -.IP 3. 4 -Memory usage limit for decompression in bytes -.RB ( \-\-memlimit\-decompress ). -A special value of -.B 0 -indicates the default setting -which for single-threaded mode is the same as no limit. -.IP 4. 4 -Since -.B xz -5.3.4alpha: -Memory usage for multi-threaded decompression in bytes -.RB ( \-\-memlimit\-mt\-decompress ). -This is never zero because a system-specific default value -shown in the column 5 -is used if no limit has been specified explicitly. -This is also never greater than the value in the column 3 -even if a larger value has been specified with -.BR \-\-memlimit\-mt\-decompress . -.IP 5. 4 -Since -.B xz -5.3.4alpha: -A system-specific default memory usage limit -that is used to limit the number of threads -when compressing with an automatic number of threads -.RB ( \-\-threads=0 ) -and no memory usage limit has been specified -.RB ( \-\-memlimit\-compress ). -This is also used as the default value for -.BR \-\-memlimit\-mt\-decompress . -.IP 6. 4 -Since -.B xz -5.3.4alpha: -Number of available processor threads. -.PP -In the future, the output of -.B "xz \-\-robot \-\-info\-memory" -may have more columns, but never more than a single line. -. .SS "List mode" .B "xz \-\-robot \-\-list" uses tab-separated output. @@ -2434,6 +2340,100 @@ Future versions may add new line types and new columns can be added to the existing line types, but the existing columns won't be changed. . +.SS "Memory limit information" +.B "xz \-\-robot \-\-info\-memory" +prints a single line with three tab-separated columns: +.IP 1. 4 +Total amount of physical memory (RAM) in bytes. +.IP 2. 4 +Memory usage limit for compression in bytes +.RB ( \-\-memlimit\-compress ). +A special value of +.B 0 +indicates the default setting +which for single-threaded mode is the same as no limit. +.IP 3. 4 +Memory usage limit for decompression in bytes +.RB ( \-\-memlimit\-decompress ). +A special value of +.B 0 +indicates the default setting +which for single-threaded mode is the same as no limit. +.IP 4. 4 +Since +.B xz +5.3.4alpha: +Memory usage for multi-threaded decompression in bytes +.RB ( \-\-memlimit\-mt\-decompress ). +This is never zero because a system-specific default value +shown in the column 5 +is used if no limit has been specified explicitly. +This is also never greater than the value in the column 3 +even if a larger value has been specified with +.BR \-\-memlimit\-mt\-decompress . +.IP 5. 4 +Since +.B xz +5.3.4alpha: +A system-specific default memory usage limit +that is used to limit the number of threads +when compressing with an automatic number of threads +.RB ( \-\-threads=0 ) +and no memory usage limit has been specified +.RB ( \-\-memlimit\-compress ). +This is also used as the default value for +.BR \-\-memlimit\-mt\-decompress . +.IP 6. 4 +Since +.B xz +5.3.4alpha: +Number of available processor threads. +.PP +In the future, the output of +.B "xz \-\-robot \-\-info\-memory" +may have more columns, but never more than a single line. +. +.SS Version +.B "xz \-\-robot \-\-version" +will print the version number of +.B xz +and liblzma in the following format: +.PP +.BI XZ_VERSION= XYYYZZZS +.br +.BI LIBLZMA_VERSION= XYYYZZZS +.TP +.I X +Major version. +.TP +.I YYY +Minor version. +Even numbers are stable. +Odd numbers are alpha or beta versions. +.TP +.I ZZZ +Patch level for stable releases or +just a counter for development releases. +.TP +.I S +Stability. +0 is alpha, 1 is beta, and 2 is stable. +.I S +should be always 2 when +.I YYY +is even. +.PP +.I XYYYZZZS +are the same on both lines if +.B xz +and liblzma are from the same XZ Utils release. +.PP +Examples: 4.999.9beta is +.B 49990091 +and +5.0.0 is +.BR 50000002 . +. .SH "EXIT STATUS" .TP .B 0 |