disk cleanup

System Toolkit is an all-in-one information and maintenance application designed for MacOS。 System Toolkit provides system maintenance、Privacy protection、disk cleanup、Battery maintenance、Network status monitoring、Practical functions such as network traffic monitoring。 System Toolkit can retrieve the latest technical data at any time，For example, process load，CPU temperature，Main memory consumption，storage space，disk activity，Communication on network interfaces, etc.。The program continuously monitors your system，and be available when needed。