I Think its BOOT.INI, but it might be NTLDR
The boot.ini file is a configuration file used by Windows NT-based operating systems to determine the location of the operating system and the options for booting it. It specifies parameters such as the operating system location, the boot loader, and any additional options for starting the system. If the boot.ini file is not present, the system may fail to boot, displaying an error message, or it may default to a single operating system option, limiting the user's ability to choose from multiple installations or configurations.
bootmgr.exe
The parameters used to determine work and rest cycle durations are based on the psychophysical adjustment method. This is an Industrial Ergonomics methodology proposed by Abu-Ali in 1993.
Autoexec.batAutoexec.batAutoexec.bat
sir system file we used for execute the system with windows . Because without system file we can not boot the system properly may be this is correct answers .
BOOT record
boot ini
The boot loader performs POST.The boot loader is loaded from RAM.The boot loader initializes the flash file system that is used to boot the system
The harder the metal, the smoother file.
Manages things such as Boot order, drive parameters, whether the NIC and be used to do Wake-On-Lan, security settings, the COM and Parallel settings.
/etc/fstab only root can change, users can view it.
Assoc is used to display or modify file name extension associations. Used without parameters, assoc displays a list of all the current file name extension associations.