system file checker is one of windows 11's most useful maintenance utilities. this command-line tool scans and repairs corrupted system files when you type and execute the sfc
chkdsk, sfc and dism check the health of your hard drive and repair corrupted files, but these three tools work in different ways and target different areas of your system.
when you install windows on your computer, it will put a lot of important files into your system that you may not know or use. however, when they fail, it will cause many problems
(applies to windows server (semi-annual channel), windows server 2016, windows server 2012 r2, windows server 2012)