Batch file only works on Windows. Do not delete or modify anything if you don't know what it is. The file just clears almost all unncessary/temporary files in your disk, not attempt to destroy/attack ...
If you notice in Task Manager, that the Service Host Local System is hogging much of your disk, CPU and Memory usage ... The ndu.sys (Network Data Usage Monitor) file is a Windows driver.
sccache defaults to using local disk storage. You can set the SCCACHE_DIR environment ... In order to cache the preprocessor step sccache needs to remember, among other things, all files included by ...