The MS-DOS operating system

The MS-DOS operating system

1. What is MS-DOS?

   • is the name of one of the operating systems for computer systems based on an x86 architecture and designed by the North American software company Microsoft. It was popularly known as DOS.

2. Two sets of MS-DOS commands existed

   • internal
     • they were automatically loaded at the start of the computer's operating system, from a stored file named command.com
   • external
     • they were stored in temporary files of a transitory type, but they should be kept on hand in order to invoke the specific commands desired.

3. History of MS-DOS

   • MS-DOS was born in 1981, created as the basic interface for IBM PC personal computers, from a much more primitive previous version known as 86-DOS or QDOS, belonging to Seattle Computer Products.
   • Version 1.0 of MS-DOS appeared in 1982, along with its pre-installed version on PC products: PC-DOS.

4. its use

   • until the mid-1990s, when it was replaced by Windows systems; Despite being based on DOS, the latter offered the user a graphical interface much kinder than the dry DOS commands

5. List of basic MS-DOS commands

   • CD
     • Go down one rung in the hierarchy of the inspected folders or directories.
   • CD o CHDIR
     • It allows to change the present directory to any other specific one.
   • CLS
     • Delete the complete information displayed on the screen, returning to the command prompt
   • COPY
     • Lets you copy a specific file to another specific directory.