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Amanda AMANDA, the Advanced Maryland Automatic Network Disk Archiver, is a backup system that allows the administrator of a LAN to set up a single master backup server to back up multiple hosts to a single large capacity tape drive. AMANDA uses native dump and/or GNU tar facilities and can back up a large number of workstations running multiple versions of Unix. Recent versions also support SAMBA.

Archive Archive is a fully drag-and-drop multi-format archiver. Drag a directory onto it to create an archive; drag an archive onto it to extract to a directory. It can also compress and decompress streams (for example, you could drag a .gz file onto Archive and from Archive into your text editor). Archive can create .tgz, .tar.bz2, .zip, .jar and .tar archives and can extract all the above as well as .rar, .rpm, .cpio and .deb formats. It can compress and decompress files to and from .gz, .uue and .bz2 formats.

Archmbox 'Archmbox' parses regular BSD mailbox files and archives all messages older than a specified date. The date to identify if a message is old or not is specified with either a standard iso format date (yyy-mm-dd) or an offset in days. The program supports regular expression based archiving rules as well as recursion. Archmbox can also be used on a whole tree of mailboxes.

Atool atool manages file archives (tar, tar+gzip, zip, etc). 'aunpack' extracts files from an archive, andt overcomes the dreaded "multiple files in archive root" problem by first extracting to a unique subdirectory, and then moving back the files if possible. aunpack also prevents local files from being overwritten by mistake. Other commands provided are apack (for creating archives), als (for listing files in archives), and acat (for extracting files to stdout).

Backup Manager Backup Manager is a small and basic tool for generating archives. It is designed for those who don't want an obfuscated tool for making tarballs. It can make tar, tar.gz, tar.bz, and zip archives. It can be run in a parallel mode with different configuration files. Archives are kept for a given number of days. Its upload system can use ftp or scp to transfer the generated archives to a list of remote hosts. The configuration file is very simple and basic.

Backup Shell 'bksh' is a simple program designed to be a shell for SSH. It copies its input to a given backup file. Its goal is to allow administrators to create backup-only accounts. It works for either tape only or file & tape backups, and works as a shell so clients have very limited server access.

Backup2l 'backup2l' generates, maintains, and restores backups on a mountable file system. The main design goals are low maintenance effort, efficiency, transparency, and robustness. In a default installation, backups are created autonomously by a cron script. It supports hierarchical differential backups with a user- specified number of levels and backups per level. This means the number of archives that must be stored only increases logarithmically with the number of differential backups since the last full backup. Hence, small incremental backups can be generated at short intervals while time- and space-heavy full backups are only run as needed.

Backuper 'Backuper' makes backups on CD-R or DVD-R media. It uses cdrtools or dvd +rw-tools and some standard *nix utilities and detects most failures and abnormal situations.

Backupninja Backupninja allows you to coordinate system backup by dropping a few simple configuration files into /etc/backup.d/. Most programs you might use for making backups don't have their own configuration file format. Backupninja provides a centralized way to configure and schedule many different backup utilities. It allows for secure, remote, incremental filesytem backup (via rdiff-backup), compressed incremental data, backup system and hardware info, encrypted remote backups (via duplicity), safe backup of MySQL/PostgreSQL databases, subversion or trac repositories, burn CD/DVDs or create ISOs, incremental rsync with hardlinking.

Backuppc BackupPC is a high-performance, enterprise-grade system for backing up GNU/Linux machines and laptops to a server's disk. Its features include clever pooling of identical files, no client-side software, optional compression for using even less storage, support for a full set of restore options, and a powerful Apache/CGI user interface.

Bacula Bacula is a set of programs that allow you to manage the backup, recovery, and verification of computer data across a network of different computers. It is based on a client/server architecture and is efficient and relatively easy to use, while offering many advanced storage management features that make it easy to find and recover lost or damaged files.

Bar bar stands for Backup And Restore. This programme has been designed for a user who desires to backup his Home folder each week or day using cron or a similar programme and transferring those backups at the end each month to another medium for safer storage.

Bloat 'Bloat' is a Perl script which analyses an archive's filename, and extracts it using a suitable extractor. It also supports several other features, such as "subdirectory detection", MIME-type checking (via 'file'), and extraction of non-trivial archive types.

CacheIt CacheIt is a PHP class to facilitate caching. You subclass Cachable and implement the get method of Cachable, and you instantiate it as well as instantiate CacheIt with arguments of the instance of your subclass of Cachable. Then both the path (ending in a trailing slash) to the directory that cached data will be kept, and the number of seconds that a cached entry can be kept before expiring. Then, just call the get method of the instance of CacheIt and caching happens automatically. CacheIt doesn't do LRU--if you're concerned about the cache directory getting too large, have a cron job scan it occasionally and delete the oldest files.

Ccollect ccollect does (pseudo) incremental full backups with different exclude lists, using hard links and rsync.

Cedar Backup 'Cedar Backup' supports backups of files on local and remote hosts to CD-R or CD-RW media over a secure network connection. It also includes extensions that understand how to back up MySQL databases and Subversion repositories, and can be easily extended to support other data sources. It is focused around weekly backups to a single disc, with the expectation that the disc will be changed or overwritten at the beginning of each week. With appropriate hardware, Cedar Backup can also write multisession discs.

Chpox 'chpox' provides transparent checkpointing and restarting of processes on Linux clusters. It was originally designed for recovery of jobs with a long execution time in case of system crashes, power failures, etc. It works with openMosix, is SMP safe, works as a kernel module, does not require kernel patches or program recompiling/relinking, and supports virtual memory, regular open files, pipes, *nix domain sockets, current directory, termios, and child processes.

Confstore 'confstore' is a configuration backup utility. It scans a system for all recognised configuration files and then stores them in a simple archive. It knows what to scan for by reading a definitions file. Confstore can also restore configuration from backup archives it has previously created, upload them to a FTP server, and mail them to an email account.

Core-restart 'core-restart' is a process checkpointing and restarting system. It does not require the executables to be linked with a library, so processes can be checkpointed without being changed. Also, the restarted process and the restoration code are in independent address spaces which simplifies the mechanism of restoring the stack and register state of the checkpointed process. The system runs only on user-level code and requires no modifications to the kernel.

Cpio GNU cpio copies files into or out of a cpio or tar archive. The archive can be another file on the disk, a magnetic tape, or a pipe. GNU cpio supports the following archive formats: binary, old ASCII, new ASCII, crc, HPUX binary, HPUX old ASCII, old tar, and POSIX.1 tar. The tar format is provided for compatibility with the tar program. By default, cpio creates binary format archives for compatibility with older cpio programs. When extracting from archives, cpio automatically recognizes which kind of archive it is reading and can read archives created on machines with a different byte-order.