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It handles encrypted *.7z, *.arj, *.lrz, *.rar and *.zip archives. Xarchiver uses the Direct Save Protocol XDS for drag and drop file saving. [14] The program acts as a front-end for various commonly installed libraries dealing with the supported compression formats. [15] [16] Xarchiver can't create archives whose archiver is not installed. [7]
7z is a compressed archive file format that supports several different data compression, encryption and pre-processing algorithms. The 7z format initially appeared as implemented by the 7-Zip archiver. The 7-Zip program is publicly available under the terms of the GNU Lesser General Public License.
7-Zip is a free and open-source file archiver, a utility used to place groups of files within compressed containers known as "archives". It is developed by Igor Pavlov and was first released in 1999. [2] 7-Zip has its own archive format called 7z introduced in 2001 [12], but can read and write several others.
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.
A self-extracting archive created using 7-Zip. A self-extracting archive (SFX or SEA) is a computer executable program which combines compressed data in an archive file with machine-executable code to extract the information. Running on a compatible operating system, it does not need a suitable extractor in the target computer to extract the data.
PeaZip supports encryption [21] with AES 256-bit cipher in 7z and ZIP archive formats. In PeaZip's native PEA format, and in FreeArc 's ARC format, supported ciphers are AES 256-bit, Blowfish , [ 22 ] Twofish [ 23 ] 256 and Serpent 256 (in PEA format, all ciphers are used in EAX authenticated encryption mode ).
Novell Storage Services on Novell NetWare and Linux; NTFS with Encrypting File System (EFS) for Microsoft Windows; ZFS since Pool Version 30; Ext4, added in Linux kernel 4.1 [1] in June 2015; F2FS, added in Linux kernel 4.2 [2] [non-primary source needed] UBIFS, added in Linux kernel 4.10 [3] CephFS, added in Linux kernel 6.6 [4]
The 7-Zip implementation uses several variants of hash chains, binary trees and Patricia trees as the basis for its dictionary search algorithm. In addition to LZMA, the SDK and 7-Zip also implements multiple preprocessing filters intended to improve compression, ranging from simple delta encoding (for images) and BCJ for executable code.