tar : an archiving utility
[SYNOPSIS] tar OPTION FILE
OPTION
-c create a new archive
-d find differences between archive and file system
-r append files to the end of an archive
-t list the contents of an archive
-u only append files newer than copy in archive
-x extract files from an archive
-C DIR change to directory DIR
--exclude=PATTERN exclude files, given as a PATTER
--exclude-from=FILE exclude patterns listed in FILE
-k don't replace existing files when extracting, treat them as errors
-f ARCHIVE use archive file or device ARCHIVE
-j filter the archive through bzip2
-J filter the archive through xz
-z filter the archive through gzip
-Z filter the archive through compress
-v verbosely list files processed
-w ask for confirmation for every action