which of the following provides command line Interface 1.DOS 2.Window 3.unix 4.Non of these
Answers
Answer:
A command-line interface (CLI) processes commands to a computer program in the form of lines of text. The program which handles the interface is called a command-line interpreter or command-line processor. Operating systems implement a command-line interface in a shell for interactive access to operating system functions or services. Such access was primarily provided to users by computer terminals starting in the mid-1960s, and continued to be used throughout the 1970s and 1980s on VAX/VMS, Unix systems and personal computer systems including DOS, CP/M and Apple DOS.
Today, users rely upon graphical user interfaces and menu-driven interactions. However some programming and maintenance tasks may not have a graphical user interface and may still use a command line.
Alternatives to the command line interface include text user interface menus (for example, IBM AIX SMIT), keyboard shortcuts, and various desktop metaphors centered on the pointer (usually controlled with a mouse). Examples of this include the Microsoft Windows, DosShell, and Mouse Systems PowerPanel. Command line interfaces are often implemented in terminal devices that are also capable of screen-oriented text user interfaces that use cursor addressing to place symbols on a display screen.
Programs with command-line interfaces are generally easier to automate via scripting.
Many software systems implement command line interfaces for control and operation. This includes programming environments and utility programs.
Answer:
None of these
Explanation:
DOS is Drive Operating System
THE OTHERS ARE NORMAL OPERATING SYSTEM
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