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disk operating system
NOS (Network Operating System)
The MVS operating system was the most commonly used operating system used on mainframe computers. The MVS operating system was developed by IBM and was first released in 1974.
MS-DOS was the first widely used operating system
yes
You can use any operation system in fourth generation computers.
DOS is not necessary for computers. Lots of computers do not use DOS. What is necessary is an operating system. It is software that enables your computer to work and enables other software to run on a computer. There are many kinds of operating systems used on different types of computers. DOS (Disk Operating System) is just one operating system that was very common on PCs. Modern PCs do not use DOS now. Other types of computers use other operating systems and never used DOS.DOS is not necessary for computers. Lots of computers do not use DOS. What is necessary is an operating system. It is software that enables your computer to work and enables other software to run on a computer. There are many kinds of operating systems used on different types of computers. DOS (Disk Operating System) is just one operating system that was very common on PCs. Modern PCs do not use DOS now. Other types of computers use other operating systems and never used DOS.DOS is not necessary for computers. Lots of computers do not use DOS. What is necessary is an operating system. It is software that enables your computer to work and enables other software to run on a computer. There are many kinds of operating systems used on different types of computers. DOS (Disk Operating System) is just one operating system that was very common on PCs. Modern PCs do not use DOS now. Other types of computers use other operating systems and never used DOS.DOS is not necessary for computers. Lots of computers do not use DOS. What is necessary is an operating system. It is software that enables your computer to work and enables other software to run on a computer. There are many kinds of operating systems used on different types of computers. DOS (Disk Operating System) is just one operating system that was very common on PCs. Modern PCs do not use DOS now. Other types of computers use other operating systems and never used DOS.DOS is not necessary for computers. Lots of computers do not use DOS. What is necessary is an operating system. It is software that enables your computer to work and enables other software to run on a computer. There are many kinds of operating systems used on different types of computers. DOS (Disk Operating System) is just one operating system that was very common on PCs. Modern PCs do not use DOS now. Other types of computers use other operating systems and never used DOS.DOS is not necessary for computers. Lots of computers do not use DOS. What is necessary is an operating system. It is software that enables your computer to work and enables other software to run on a computer. There are many kinds of operating systems used on different types of computers. DOS (Disk Operating System) is just one operating system that was very common on PCs. Modern PCs do not use DOS now. Other types of computers use other operating systems and never used DOS.DOS is not necessary for computers. Lots of computers do not use DOS. What is necessary is an operating system. It is software that enables your computer to work and enables other software to run on a computer. There are many kinds of operating systems used on different types of computers. DOS (Disk Operating System) is just one operating system that was very common on PCs. Modern PCs do not use DOS now. Other types of computers use other operating systems and never used DOS.DOS is not necessary for computers. Lots of computers do not use DOS. What is necessary is an operating system. It is software that enables your computer to work and enables other software to run on a computer. There are many kinds of operating systems used on different types of computers. DOS (Disk Operating System) is just one operating system that was very common on PCs. Modern PCs do not use DOS now. Other types of computers use other operating systems and never used DOS.DOS is not necessary for computers. Lots of computers do not use DOS. What is necessary is an operating system. It is software that enables your computer to work and enables other software to run on a computer. There are many kinds of operating systems used on different types of computers. DOS (Disk Operating System) is just one operating system that was very common on PCs. Modern PCs do not use DOS now. Other types of computers use other operating systems and never used DOS.DOS is not necessary for computers. Lots of computers do not use DOS. What is necessary is an operating system. It is software that enables your computer to work and enables other software to run on a computer. There are many kinds of operating systems used on different types of computers. DOS (Disk Operating System) is just one operating system that was very common on PCs. Modern PCs do not use DOS now. Other types of computers use other operating systems and never used DOS.DOS is not necessary for computers. Lots of computers do not use DOS. What is necessary is an operating system. It is software that enables your computer to work and enables other software to run on a computer. There are many kinds of operating systems used on different types of computers. DOS (Disk Operating System) is just one operating system that was very common on PCs. Modern PCs do not use DOS now. Other types of computers use other operating systems and never used DOS.
windows
DOS meaning Disc Operating System
That depends on the computer and who set it up.
FreeBSD is an operating system for computers and embedded systems and is used by computer professionals and it offers a fast and stable operating system than can be used for any purpose.
there wont be one