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WinRAR is a trialware file archiver utility, developed by Eugene Roshal of win.rar GmbH. It can create and view archives in RAR or ZIP file formats, [ 6 ] and unpack numerous archive file formats. To enable the user to test the integrity of archives, WinRAR embeds CRC32 or BLAKE2 checksums for each file in each archive.
The operating systems the archivers can run on without emulation or compatibility layer. Ubuntu's own GUI Archive manager, for example, can open and create many archive formats (including Rar archives) even to the extent of splitting into parts and encryption and ability to be read by the native program.
RAR files can only be created with proprietary WinRAR (Windows), RAR [9] for Android, command-line RAR (available for Windows, macOS, Linux, and FreeBSD), and other software that has written permission from Alexander Roshal or uses copyrighted code under license from Roshal. The software license agreements forbid reverse engineering.
This shift underscores a transformative phase for the industry, where digital distribution is increasingly becoming a vital revenue source for filmmakers and studios. Currently, the OTT audience in India stands at 547 million users, reflecting a 14% increase from 2023’s 481 million, representing a 38% market penetration. [5]
Eugene Roshal (Russian: Евгений Лазаревич Рошал, romanized: Yevgeniy Lazarevich Roshal; born 1972) is a Russian software engineer best known for developing the RAR file format, the WinRAR archiver, and the FAR file manager. His contributions have significantly impacted the field of data compression and file management.
This source-available freeware [1] is a command-line version of UnRAR, released by RARLAB, the same company that released the proprietary WinRAR software. [2] This software can extract newer RAR v5.0 file archives that has limited support in free extractors.
The proliferation of open-source licenses has compounded license compatibility issues, but all share some features: allowing redistribution and derivative works under the same license, unrestricted access to the source code, and nondiscrimination between different uses—in particular, allowing commercial use.
Self-extracting files are used to share compressed files with a party that may not have the software needed to decompress a regular archive. Users can also use self-extracting archives to distribute their own software. For example, the WinRAR installation program is made using the graphical GUI RAR self-extracting module Default.sfx. [citation ...