Disk Defragmenter command in Windows 7 defrag

It is well known that the system will cause disk fragmentation after running for a while, which can seriously affect the speed of the system, so Windows system itself provides the defrag command to help users clean up disk fragmentation, Windows 7 is no exception, and Vista is different from windows The defrag in 7 adds more options, with command line versions containing more directives.

defrag/?: Show all options;

Windows 7 provides a number of very useful commands, such as "/h" to perform operations with higher priority, "/M" to represent parallel operations on each volume, and if you enter CMD in the runtime to open a command prompt dialog box where you type "defrag/c/h/m", The system will defragment all volumes in parallel on a higher priority level.