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B1 is an open archive file format that supports data compression and archiving.〔("Best Free File Archiver-Zip Utility" ) TechSupportAlert. Retrieved 13 January 2014.〕 B1 files use the file extension ".b1" or ".B1" and the MIME media type application/x-b1. B1 incorporates the LZMA compression algorithm.〔("B1 File Format" ) Whatis.com. Retrieved 13 January 2014.〕 B1 archive combines a number of files and folders into one or more volumes, optionally adding compression and encryption. Construction of the B1 archive involves creating a binary stream of records and building volumes of that stream. The B1 archive format supports password-based AES-256 encryption.〔("B1 file extension - B1 compressed archive" ) File-Extensions.org. Retrieved 13 January 2014.〕 B1 files are created and opened with its native open-source B1 Pack Tool, as well as B1 Free Archiver utility.〔("B1 File Extension" ) Fileinfo. Retrieved 14 January 2014.〕〔("Extract compressed files without any software" ) ''Digital Quest''. Retrieved 13 January 2014.〕 == B1 Pack Project == B1 Pack is an open-source software project that produces a cross-platform command-line tool and a Java library for creating and extracting file archives in the B1 archive format. Source code of the project is published at GitHub.〔("B1-Pack" ) GitHub. Retrieved 13 January 2014.〕 B1 Pack Project is released under the Apache License.〔("The Apache Software License, v2.0" ) Retrieved 14 January 2014.〕 The B1 Pack Tool module builds a single executable JAR file which can create, list, and extract B1 archive files from a command-line interface.〔("B1 Pack CLI" ) Retrieved 13 January 2014.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「B1 (archive format)」の詳細全文を読む スポンサード リンク
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