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Explain the Spawnlp Functions Used in the NetWare
Spawnlp(flags, execName, arg0,...)
The Spawnlp function is used to load a NetWare executable file (NLM) specified by execName into memory and start execution. Optional flags may be passed to Spawnlp function to control execution of the spawned NLM. P_NOWAIT clears that the executable is to be loaded and executed asynchronously to the calling program. Optional arguments (argo,...) may be passed (variable number) to the invoked program. The first argument is the name of the executable and the end of arguments should be specified with a NULL All arguments are concatenated with white space separating the parameters and can be obtained from standard argc and argv mechanisms or with the function call getcmd( ).
The term ‘page traffic’ explains Page traffic’ explains the movement of pages in and out of memory.
Question 1: a) Briefly explain each of the following terms: (i) Distributed systems. (ii) Real time systems. (iii) Multiprocessor. b) What is the impo
Making the Transition to Client - Server Programming Making the transition to client - server programming is a significant effort. Client - server applications must be designed
Explain in detail about ipc in linux
a summary of what operating system do
Define the Sleep (sec) Function Sleep function suspends execution of this process for sec number of seconds. While this function is used in our example for consistency, other f
Q. Is disk scheduling except FCFS scheduling useful in a single-user environment? describe your answer. Answer: In a single-user environment the I/O queue typically is empty.
Linked list allocation: At this time the blocks are stored using linked lists. The block size require not be the same. Thus internal fragmentation is avoided. Consider
Additional Reference bits algorithm Here we keep an 8-bit byte for every page in memory. At standard intervals the reference bit is shifted by the OS. If a shift register conta
Q. What is the major advantage of the layered approach to system design? What are the de-merits of using the layered approach? Answer: As in all cases of modular design as well
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