Lines Matching +full:has +full:- +full:legacy +full:- +full:mode
5 \fBzstd\fR \- zstd, zstdmt, unzstd, zstdcat \- Compress or decompress \.zst files
8 \fBzstd\fR [\fIOPTIONS\fR] [\-|\fIINPUT\-FILE\fR] [\-o \fIOUTPUT\-FILE\fR]
11 \fBzstdmt\fR is equivalent to \fBzstd \-T0\fR
14 \fBunzstd\fR is equivalent to \fBzstd \-d\fR
17 \fBzstdcat\fR is equivalent to \fBzstd \-dcf\fR
26 …served by default\. It\'s possible to remove them automatically by using the \fB\-\-rm\fR command\.
29 …\fR displays progress notifications and result summary by default\. Use \fB\-q\fR to turn them off…
35 \fBzstd\fR displays a short help page when command line is an error\. Use \fB\-q\fR to turn it off\.
40 … \fIfile\fR according to the selected operation mode\. If no \fIfiles\fR are given or \fIfile\fR i…
43 Unless \fB\-\-stdout\fR or \fB\-o\fR is specified, \fIfiles\fR are written to a new file whose name…
69 .SS "Operation mode"
70 If multiple operation mode options are given, the last one takes effect\.
73 \fB\-z\fR, \fB\-\-compress\fR
74 … mode when no operation mode option is specified and no other operation mode is implied from the c…
77 \fB\-d\fR, \fB\-\-decompress\fR, \fB\-\-uncompress\fR
81 \fB\-t\fR, \fB\-\-test\fR
82 Test the integrity of compressed \fIfiles\fR\. This option is equivalent to \fB\-\-decompress \-\-s…
85 \fB\-b#\fR
89 \fB\-\-train FILEs\fR
93 \fB\-l\fR, \fB\-\-list\fR
94 … of these fields may not be available\. This command can be augmented with the \fB\-v\fR modifier\.
99 \fB\-#\fR: \fB#\fR compression level [1\-19] (default: 3)
102 \fB\-\-ultra\fR: unlocks high compression levels 20+ (maximum 22), using a lot more memory\. Note t…
105 …-\-fast[=#]\fR: switch to ultra\-fast compression levels\. If \fB=#\fR is not present, it defaults…
108 …-T#\fR, \fB\-\-threads=#\fR: Compress using \fB#\fR working threads (default: 1)\. If \fB#\fR is 0…
111 …-\-single\-thread\fR: Does not spawn a thread for compression, use a single thread for both I/O an…
114 \fB\-\-auto\-threads={physical,logical} (default: physical)\fR: When using a default amount of thre…
117 …-\-adapt[=min=#,max=#]\fR : \fBzstd\fR will dynamically adapt compression level to perceived I/O c…
120 \fB\-\-long[=#]\fR: enables long distance matching with \fB#\fR \fBwindowLog\fR, if not \fB#\fR is …
123 Note: If \fBwindowLog\fR is set to larger than 27, \fB\-\-long=windowLog\fR or \fB\-\-memory=window…
126 \fB\-D DICT\fR: use \fBDICT\fR as Dictionary to compress or decompress FILE(s)
129 \fB\-\-patch\-from FILE\fR: Specify the file to be used as a reference point for zstd\'s diff engin…
132 …-D together Note: \fB\-\-long\fR mode will be automatically activated if chainLog < fileLog (fileL…
135 …-\-rsyncable\fR : \fBzstd\fR will periodically synchronize the compression state to make the compr…
138 \fB\-C\fR, \fB\-\-[no\-]check\fR: add integrity check computed from uncompressed data (default: ena…
141 …-\-[no\-]content\-size\fR: enable / disable whether or not the original size of the file is placed…
144 \fB\-\-no\-dictID\fR: do not store dictionary ID within frame header (dictionary compression)\. The…
147 \fB\-M#\fR, \fB\-\-memory=#\fR: Set a memory usage limit\. By default, Zstandard uses 128 MB for de…
150 This is also used during compression when using with \-\-patch\-from=\. In this case, this paramete…
156 \fB\-\-stream\-size=#\fR : Sets the pledged source size of input coming from a stream\. This value …
159 \fB\-\-size\-hint=#\fR: When handling input from a stream, \fBzstd\fR must guess how large the sour…
162 \fB\-o FILE\fR: save result into \fBFILE\fR
165 \fB\-f\fR, \fB\-\-force\fR: disable input and output checks\. Allows overwriting existing files, in…
168 \fB\-c\fR, \fB\-\-stdout\fR: write to standard output (even if it is the console)
171 …-\-[no\-]sparse\fR: enable / disable sparse FS support, to make files with many zeroes smaller on …
174 …-\-rm\fR: remove source file(s) after successful compression or decompression\. If used in combina…
177 \fB\-k\fR, \fB\-\-keep\fR: keep source file(s) after successful compression or decompression\. This…
180 \fB\-r\fR: operate recursively on directories\. It selects all files in the named directory and all…
183 \fB\-\-filelist FILE\fR read a list of files to process as content from \fBFILE\fR\. Format is comp…
186 …-\-output\-dir\-flat DIR\fR: resulting files are stored into target \fBDIR\fR directory, instead o…
189 \fB\-\-output\-dir\-mirror DIR\fR: similar to \fB\-\-output\-dir\-flat\fR, the output files are sto…
192 …ut\-dir/var/tmp/abc"\. If there are multiple input files or directories, name collision resolution…
195 \fB\-\-format=FORMAT\fR: compress and decompress in other formats\. If compiled with support, zstd …
198 \fB\-h\fR/\fB\-H\fR, \fB\-\-help\fR: display help/long help and exit
201 …-V\fR, \fB\-\-version\fR: display version number and exit\. Advanced : \fB\-vV\fR also displays su…
204 \fB\-v\fR, \fB\-\-verbose\fR: verbose mode, display more information
207 \fB\-q\fR, \fB\-\-quiet\fR: suppress warnings, interactivity, and notifications\. specify twice to …
210 \fB\-\-no\-progress\fR: do not display the progress bar, but keep all other messages\.
213 \fB\-\-show\-default\-cparams\fR: Shows the default compression parameters that will be used for a …
216 \fB\-\-\fR: All arguments after \fB\-\-\fR are treated as files
221 Using environment variables to set parameters has security implications\. Therefore, this avenue is…
227 … integer, it will be ignored with a warning message\. \fBZSTD_NBTHREADS\fR has a default value of …
230 …e overridden by corresponding command line arguments: \fB\-#\fR for compression level and \fB\-T#\…
233 …ression and decompression, reference the same dictionary, using command \fB\-D dictionaryFileName\…
236 \fB\-\-train FILEs\fR
237 … size (for example, 10 MB for a 100 KB dictionary)\. \fB\-\-train\fR can be combined with \fB\-r\f…
240 …-\-train\fR supports multithreading if \fBzstd\fR is compiled with threading support (default)\. A…
243 \fB\-o file\fR
247 \fB\-\-maxdict=#\fR
251 \fB\-#\fR
255 \fB\-B#\fR
259 \fB\-M#\fR, \fB\-\-memory=#\fR
263 \fB\-\-dictID=#\fR
264 … verify it is using the right dictionary\. By default, zstd will create a 4\-bytes random number I…
267 \fB\-\-train\-cover[=k#,d=#,steps=#,split=#,shrink[=#]]\fR
277 \fBzstd \-\-train\-cover FILEs\fR
280 \fBzstd \-\-train\-cover=k=50,d=8 FILEs\fR
283 \fBzstd \-\-train\-cover=d=8,steps=500 FILEs\fR
286 \fBzstd \-\-train\-cover=k=50 FILEs\fR
289 \fBzstd \-\-train\-cover=k=50,split=60 FILEs\fR
292 \fBzstd \-\-train\-cover=shrink FILEs\fR
295 \fBzstd \-\-train\-cover=shrink=2 FILEs\fR
298 \fB\-\-train\-fastcover[=k#,d=#,f=#,steps=#,split=#,accel=#]\fR
302 …e \fId\fR\. The subsegment is hashed to an index in the range [0,2^\fIf\fR \- 1]\. It is possible …
308 \fBzstd \-\-train\-fastcover FILEs\fR
311 \fBzstd \-\-train\-fastcover=d=8,f=15,accel=2 FILEs\fR
314 \fB\-\-train\-legacy[=selectivity=#]\fR
315 …legacy dictionary builder algorithm with the given dictionary \fIselectivity\fR (default: 9)\. The…
321 \fBzstd \-\-train\-legacy FILEs\fR
324 \fBzstd \-\-train\-legacy=selectivity=8 FILEs\fR
329 \fB\-b#\fR
333 \fB\-e#\fR
334 benchmark file(s) using multiple compression levels, from \fB\-b#\fR to \fB\-e#\fR (inclusive)
337 \fB\-i#\fR
338 minimum evaluation time, in seconds (default: 3s), benchmark mode only
341 \fB\-B#\fR, \fB\-\-block\-size=#\fR
345 \fB\-\-priority=rt\fR
346 set process priority to real\-time
349 \fBOutput Format:\fR CompressionLevel#Filename : IntputSize \-> OutputSize (CompressionRatio), Comp…
352 …ion and decompression speed, the entire input is compressed/decompressed in\-memory to measure spe…
356 .SS "\-B#:"
357 …-threading is enabled\. Each compression job is run in parallel, so this value indirectly impacts …
359 .SS "\-\-zstd[=options]:"
360 …th advanced compression options\. The \fIoptions\fR are provided as a comma\-separated list\. You …
374 …wlog\fR is 10 (1 KiB) and the maximum is 30 (1 GiB) on 32\-bit platforms and 31 (2 GiB) on 64\-bit…
377 Note: If \fBwindowLog\fR is set to larger than 27, \fB\-\-long=windowLog\fR or \fB\-\-memory=window…
397 …clog\fR is 6 (64 B) and the maximum is 29 (524 Mib) on 32\-bit platforms and 30 (1 Gib) on 64\-bit…
407 The minimum \fIslog\fR is 1 and the maximum is \'windowLog\' \- 1\.
424 …o but decreases compression speed\. t For ZSTD_fast, it triggers ultra\-fast mode when > 0\. The v…
427 For all other strategies, this field has no impact\.
489 The default value is \fBwlog \- lhlog\fR\.
495 \fB\-\-zstd\fR=wlog=23,clog=23,hlog=22,slog=6,mml=3,tlen=48,strat=6