$ cp -a source-directory destination-directory
Documentation: manpages.debian.org/unstable/coreutils/cp.1.en
A website made for testing
$ cp -a source-directory destination-directory
Documentation: manpages.debian.org/unstable/coreutils/cp.1.en
tar -xzf archive.gz --strip-components=1
tar -xzf archive.tar.gz --strip-components=1
Documentation: manpages.debian.org/unstable/tar/tar.1.en
*/15 * * * *
The line above will run the job on the hour and then on minutes 15, 30 and 45. It is the same as the more verbose:
0,15,30,45 * * * *
The verbose syntax can be used to specify minutes other than 0, 15, 30 and 45. For example:
5,20,35,50 * * * *