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DOS – Disk Operating System. Chen Fuh-Gwo. Outline. What is DOS? DOS Command Categories Internal commands External commands Internal commands External commands Command Advantages. What is DOS?. A shell between OS and Users A set of commands to talk to the underlying OS
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DOS – Disk Operating System Chen Fuh-Gwo
Outline • What is DOS? • DOS Command Categories • Internal commands • External commands • Internal commands • External commands • Command Advantages
What is DOS? • A shell between OS and Users • A set of commands to talk to the underlying OS • A lot of windows utilities for the system maintain is based on DOS commands. It only has a windows look for the friendly usage.
DOS Commands • Internal • dir • copy • cd • etc. • External • diskcopy.com • more.com • xcopy.exe • notepad.exe (Based on Windows) • Batch files (.bat)
Text-Based Command Advantages • Can use a batch file to create a sequence of actions • Bulk users creation • Shell programming • VB Script • Perl • Can be automatic by the scheduler • Used for the system maintain jobs • Backup • File system check