Most popular archiving tool used in Unix and Linux is the tar command.
The tar command was originally used to write files to a tape device for archiving. However, it can also write the output to a file, which has become a popular way to archive data in Linux.
-c –create create a new archive
-d –diff, –compare find differences between archive and file system
–delete delete from the archive (not for use on mag tapes!)
-r –append append files to the end of an archive
-t –list list the contents of an archive
-u –update only append files that are newer than copy in archive
-x –extract, –get extract files from an archive
tar command is a simple way to create archive files of entire directory structures. This is a common method for distributing source code files for open source applications in the Linux world.
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