The new command is CHKDSK.
You can run it from windows explorer, right-click a drive letter,
properties, tools, error-checking.
You can also run it form a command prompt. Here the commands are:
CHKDSK C: to just check, but not fix
CHKDSK C: /F to check and fix; requires a reboot to take place
CHKDSK C: /R to check and fix more; also requires a reboot to take
effect