DOS is a single-user, single-tasking operating system with basic kernel functions that are non-reentrant: only one program at a time can use them, and DOS itself has no functionality to allow more than one program to execute at a time.
A DOS, or disk operating system, is an operating system that runs from a disk drive. The term can also refer to a particular family of disk operating systems, most commonly MS-DOS, an acronym for Microsoft DOS.
Bringing a page into memory only when it is needed, this mechanism is called
In computer operating systems, demand paging (as opposed to anticipatory paging) is a method of virtual memory management. In a system that uses demand paging, the operating system copies a disk page into physical memory only if an attempt is made to access it and that page is not already in memory
It is the default folder for many Windows Applications to save your file
The component of Windows that lets you to transfer contents from one document to another Clipboard. The clipboard is a buffer that some operating systems provide for short-term storage and transfer within and between application programs. The clipboard is usually temporary and unnamed, and its contents reside in the computer's RAM.
Doskey is an MS-DOS utility that allows the user to keep a history of all commands used on a computer. Doskey allows frequently used commands to be executed without having to type them each time they are needed.
Which of the following statement about directories is false?
Renaming directories is one of the most basic operations you often need to perform on a Linux system. You can rename directories from the GUI file manager with a couple of clicks or using the command-line terminal.
The program that is responsible for loading the operating system into RAM is called
A bootstrap is the program that initializes the operating system (OS) during startup. The term bootstrap or bootstrapping originated in the early 1950s. It referred to a bootstrap load button that was used to initiate a hardwired bootstrap program, or smaller program that executed a larger program such as the OS.