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You are on a system in which the finger program has been disabled and you want a quicky finger type program and you decide that greping/etc/passwd would be sufficient.
However the system that you are on uses nis+ and so nothing is in the password file. In order to essentially get the contents of the password file you can execute niscat passwd.org_dir
. Thus you decide to write a C program, myfinger, that will execute niscat passwd.org_dir and then pipe the stdout of the niscat program into egrep rexp where rexp is the regular expression given on the command line.
Write the myfinger program which can then be used, for example, to find information about a user named George by executing: myfinger George.
Binary search tree, and postorder and preorder traversal Determine the shortest path in Graph
ICT is defined as the term of Information and communication technologies, it is diverse set of technical tools and resources used by the government agencies to communicate and produce, circulate, store, and manage all information.
Assignment covers the following eight topics and explore the implementation of memory management, processes and threads.
Realize business and organizational data storage and fast access times are much more important than they have ever been. Compare and contrast magnetic tapes, magnetic disks, optical discs
What are the advantages of using a compiled language over an interpreted one? Under what circumstances would you select to use an interpreted language?
Paper describes about memory management. How memory is used in executing programs and its critical support for applications.
Define open and closed loop cotrol systems.Explain difference between time varying and time invariant control system wth suitable example.
Prepare a proposal to deploy Windows Server onto an existing network based on the provided scenario.
Analyze security requirements and develop a security policy
Write a procedure (make-stack) that produces independent stack objects, using a message-passing style, e.g.
Define a suitable functional unit for a comparative study between two different types of paint.
Calculate yield to maturity (YTM) and bond prices
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