dump is a Unix program used to backup file systems. Unix (officially trademarked as UNIX, sometimes also written as Unix with Small caps) is a computer Computer programs (also software programs, or just programs) are instructions for a Computer. In Information technology, backup refers to making copies of Data so that these additional copies may be used to restore the original after a In Computing, a file system (often also written as filesystem) is a method for storing and organizing Computer files and the data they contain to make It operates on blocks, below filesystem abstractions such as files and directories. In Computing (specifically data transmission and data storage) block is a sequence of Bytes or Bits having a nominal length (a block size Dump can back up a file system to a tape or another disk. It is often used across a network by piping its output through bzip2 then SSH. In Unix-like computer Operating systems a pipeline is the original software pipeline: a set of processes chained by their Standard bzip2 is a free and open source Lossless data compression Algorithm and program developed by Julian Seward. Secure Shell or SSH is a Network protocol that allows data to be exchanged using a Secure channel between two networked devices A dump utility first appeared in Version 6 AT&T UNIX. Unix (officially trademarked as UNIX, sometimes also written as Unix with Small caps) is a computer
Usage
dump [-0123456789acLnSu] [-B records] [-b blocksize] [-C cachesize] [-D dumpdates] [-d density] [-f file | -P pipecommand] [-h level] [-s feet] [-T date] filesystem
dump -W | -w