0 3 *  * *  /host/usr/local/bin/make-snapshot os     daily
0 4 *  * 0  /host/usr/local/bin/make-snapshot os     weekly
0 5 30 * *  /host/usr/local/bin/make-snapshot os     monthly
0 3 *  * *  /host/usr/local/bin/make-snapshot docker daily
0 4 *  * 0  /host/usr/local/bin/make-snapshot docker weekly
0 5 30 * *  /host/usr/local/bin/make-snapshot docker monthly
0 3 *  * *  /host/usr/local/bin/make-snapshot users  daily
0 4 *  * 0  /host/usr/local/bin/make-snapshot users  weekly
0 5 30 * *  /host/usr/local/bin/make-snapshot users  monthly