18ARCHIVING AND BACKUP
One of the primary tasks of a computer system’s administrator is keeping the system’s data secure. One way this is done is by performing timely backups of the system’s files. Even if you’re not a system administrator, it is often useful to make copies of things and move large collections of files from place to place and from device to device.
In this chapter, we will look at several common programs that are used to manage collections of files. These are the file compression programs:
gzip Compress or expand files
bzip2 A block sorting file compressor
These are the archiving programs:
tar Tape archiving utility
zip Package ...
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