From the course: Operating System Forensics
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History
- [Instructor] In the 60s, computers were huge and expensive. They were as big as a large room, and called mainframes, because people had to share a single machine remotely using terminals connected through a communication channel. I still remember my college days when our email system was available on a mainframe computer. Unix and its variations were these mainframe systems, dominant operating systems, or OSs. Then, a technological revolution called the personal computer, or PC, occurred in the 1980s. PCs started replacing mainframe computers and providing more flexible and economical solutions to everyday tasks like email, word processing, and internet surfing. IBM began building PCs in 1981. Disk Operating System, or DOS, and its variants, including Microsoft DOS, or MS-DOS, were the first OSs for IBM PCs and their clones. These used floppy disks as their storage mechanism. Apple released the Macintosh in 1984 with its own OS called System 1. At this time, forensics tools were…
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