Disk Operating System (DOS) Questions

• MS-DOS startup troubleshooting During a DOS boot, which single function key allows you to step through CONFIG.SYS and AUTOEXEC.BAT line-by-line with confirmation for each command?
• Viewing resident programs in DOS Which single command at the DOS prompt quickly shows memory usage and currently loaded TSRs (Terminate-and-Stay-Resident programs)?
• Memory managers in DOS HIMEM.SYS manages which type of memory resource on DOS-based systems?
• DOS file and directory maintenance Which single DOS command removes a directory and all of its contents (files and subdirectories) in one operation?
• Understanding internal DOS commands Which statement correctly describes internal commands in MS-DOS?
• Reformatting checks in MS-DOS Which FORMAT option forces DOS to recheck all disk clusters during a reformat, including those previously marked bad?
• Clearing the DOS screen Which internal DOS command clears the screen and places the command prompt at the upper-left corner?
• Comparing floppy disks in DOS Which DISKCOMP syntax compares the disk in drive A with the disk in drive B, limiting the comparison to the first side and only the first 8 sectors of each track?
• Loading CD-ROM support in DOS In classic DOS setups, where is the device driver for the CD-ROM (for example, OAKCDROM.SYS) typically loaded so that MSCDEX can attach the drive?
• Copying a specific file between disks in DOS Which DOS command do you use to transfer a particular named file from one disk to another (for example, from A: to C:)?
• DOS Boot Order and Startup Files On a classic DOS-based PC, which of the following lists shows the correct sequence of system startup batch/configuration files processed during the boot process?
• DOS File Types and Extensions In MS-DOS, which filename extension specifically identifies batch command files that the command interpreter executes line by line?
• DOS Drive Letter Assignment A PC has two IDE hard drives. Each drive has a primary partition and an extended partition. Which drive letter is assigned to the primary partition of the second (slave) drive under standard DOS letter assignment rules?
• Directory Structures in DOS When you create a subdirectory within an existing directory, what is this hierarchical arrangement called in DOS terminology?
• Executable Search Order in DOS When you type a command at the DOS prompt without an extension, in what order does COMMAND.COM search for executable files?
• DOS Boot Configuration Ordering At initial power-on, which of the following configuration lines would be executed earlier in the DOS boot sequence (before the others)?
• Checking the DOS Version While working in MS-DOS, which command displays the operating system version information at the prompt?
• Understanding Disk Fragmentation Which option best describes a fragmented hard drive in the context of DOS/Windows FAT file systems?
• Printing from DOS to the Standard Printer Device Which DOS command correctly redirects the contents of REPORT.TXT to the standard printing device (PRN/LPT1)?
• Loading Device Drivers in DOS If you need to load the MOUSE.SYS device driver (a system driver variant for mouse support), in which DOS startup file should you place the directive?