RAR 5.0 format includes Intel IA-32 executable and delta compression algorithms, but RAR 4.x text, audio, true color and Itanium algorithms are not supported. If modifiers are not present, megabytes are assumed, so -md64m is equal to -md64 Append 'k', 'm' and 'g' modifiers to specify the size in kilo-, mega- and gigabytes, like -md64m for 64 MB dictionary. md switch syntax is modified to support larger dictionary sizes. You can use -md switch to change this value default dictionary size for RAR 5.0 is 32 MB, typically resulting in higher compression ratio and lower speed than RAR 4.x 4 MB. Both 32 bit and 64 bit versions can unpack archives with any dictionary size, including 1 GB 32 bit RAR version can use up to 256 MB dictionary when creating an archive. maximum compression dictionary size is increased up to 1 GB in 64 bit RAR. By default RAR creates archives in 4.x format.Ĭhanges in RAR 5.0 compression algorithm: You can use -ma command line switch to create RAR 5.0 archives.
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