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List sample file types, based on use, on the VAX under VMS.
source programs (.BAS, .FOR, .COB, .PLI, .PAS, .MAR)
data files (.DAT)
text files (.TXT)
command procedures (.COM)
mail files (.MAI)
compiler-listing files (.LIS, .LST)
object files (.OBJ)
executable image files (.EXE)
journal files (.JOU)
What are the objectives for a file management system? To meet the data management wants and requirements of the user, which embrace storage of data and the ability to
Note for assignment
Program of Calculator and Controller with the fork, exec, and wait system calls The objective of this assignment is to get you to be comfortable with the fork(), exec(), and wai
what is inter process communication..
Advantages and disadvantages of time-sharing operating system
Describe swapping technique in UNIX systems. Swapping is used to control memory contention among processes. If there is excessively much memory contention, processes are swappe
Q. You have devised a fresh page-replacement algorithm that you think may be optimal. In a few contorted test cases Belady's anomaly occurs. Is the fresh algorithm optimal? Descr
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
is there any difference between the trap and interrupt??
What factors are involved in choosing the host operating system?
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