![]() Here's a summary of the boot sequence, what will be seen on the display, and typical boot problems at that point in the sequence. The kernel passes control to the session manager process (Smss.exe) which initializes the system session, and loads and starts the devices and drivers that aren't marked BOOT_START. Windows NT OS Kernel: The kernel loads into memory the system registry hive and other drivers that are marked as BOOT_START. Windows operating system loader: Essential drivers required to start the Windows kernel are loaded and the kernel starts to run. Windows Boot Manager: Windows Boot Manager finds and starts the Windows loader (Winload.exe) on the Windows boot partition. Firmware reads the master boot record (MBR), and then starts Windows Boot Manager. This pre-boot process ends when a valid system disk is detected. PreBoot: The PC's firmware initiates a power-on self test (POST) and loads firmware settings. To troubleshoot boot problems, first determine in which of the following phases the computer gets stuck: Phase There are several reasons why a Windows-based computer may have problems during startup. If you're looking for more general information about recovery options, see Recovery options in Windows 10. (For Windows NT it became 4NT for the tabbed user interface TCMD - Take Command - it became TCC.) When Windows became the common name for Microsoft's operating systems, some publicist (not one who understood the difference between user interface and operating system) started to refer to the UI program CMD.EXE by the hieroglyphic symbol (i.e., icon) representing CMD.EXE as "the MS-DOS prompt", later shortened to "DOS prompt", not realizing that DOS stands for disk operating system, not a user interface program.This article is intended for use by support agents and IT professionals. For PC-DOS and MS-DOS the original was COMMAND.COM one of the earliest (and best) alternates was 4DOS.COM from JPsoft. In Linux bash and zsh are the most common. When the operating system is Unix, the three common ones are the Bourne-, Korn-, and C-shell. Shell, or command processor, or command interpreter, is the program which accepts and interprets commands from the keyboard, interfaces to the operating system, and displays its response. Unless it displays TCC, Take Command or 4NT (with a version number and operating system identification), you are not operating a JPsoft product as your command processor, and information in this Forum is not relevant to your environment. ![]() So do please let me know if you can think of a solution to that in dos, but I have to admit that it is academic now from the point of view of my initial objective.Īt the command prompt use the VER command. Fsutil sidesteps that very neatly of course. I am sure I would learn something significant about dos if I could find a direct solution in dos to the problem of how to send 'y' and 'return'. Would that I understood how to use dos, and handles and the many other programming concepts that I have yet to find in depth explanations of on the net. Would not work, which I find most curious. I do now have 2 solutions, including the fsutil solution, but am still intrigued to know whether there is some dos command that could be added to a batch file to do that after chkdsk c: /f has run and generated its request for a 'y' or an 'n'.Ĭ:\WINDOWS\system32\cmd.exe /C chkdsk C: /f It is not mentioned in the Microsoft list of dos commands, and googling it brought up nothing. I was intrigued by the suggestion chkdsk c: /f <<< y since I can find no reference anywhere to <<< as an operator. I tried playing around with the redirection operators > and
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