It will surprise most people to learn how much hard drive space has been used by .tmp files. Delete files that begin with a tilde. Make sure that all your application programs, such as word-processing, spreadsheet, and graphics programs, are closed first since sometimes the temporary file you are currently viewing uses a tilde. If the application programs are closed, the tilde files can be deleted. Delete old .zip files.
Users tend to unzip the files but then leave the zipped file on their computer.
Delete .chk files, and switch the swap file. For those with permanent swap files, it s sometimes a good idea to set the swap file back to temporary and then permanent again. Run ScanDisk and defrag the drive as needed. If your Windows 95 users aren't running these utilities themselves, it doesn't hurt to check the disk and make sure the number of disk errors and the percentage of fragmentation are within acceptable limits. For Windows 98 clients, use the Task Scheduler to automate ScanDisk.