tmpwatch usage info..
2Guns
Linux / Unix Command: tmpwatchtmpwatch recursively removes files which haven't been accessed for a given number of hours. Normally, it's used to clean up directories which are used for temporary holding space such as /tmp.
usage;
1080 = 45.0 days
720 = 30.0 days
240 = 10.0 days
Here's the command I use on my servers;