Describe the function of the following commands as used in UNIX CHMOD

Compare the following as used in file systems

Direct and sequential file access

(2 marks)

Linked and contiguous allocation

(2 marks)

Consider the Read file C) function in the WIN32 API below

Bool ReadFileC (HANDLE File

LPVOID buffer,

DWORD bytes To Read,

LPDWORD bytes Read,


Provide a brief description of the parameters passed to Read file function (5 marks)

Describe any three advantages of cooperating processes during interprocess communication

(6 marks)








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