In which year the first operating system was developed
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1) Which command is used to send the contents of file named REPORT/TXT to the standard printing device?
2) What is a TSR?
3) Which two of the following DOS commands are used to display or set the date and time of your computer's infernal clock?
4) An entire path name, consisting of several sub-directory names can contain upto
5) Which command is used to suppress the prompt that asks you to confirm that you want to delete the directory?