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In UNIX systems, two critical files located under etc directory store user account information . Describe the differences between /etc/passwd and the /etc/shadow files as they associate to user information confidentiality.
Explain the extra features which are added when you turn on shadowing.
Explain the pluses and cautions of SUDO, how to set it up also tools available to do so.
Explain the group file. How to manage it and tools available.
Write other commands, tools are available to help the ROOT in managing users and groups from command line or within a script.
Formulate the linear programming model for this problem Plot a graph indicating and labelling clearly all the constraints, the feasible region (R) and the optimal point (X)
Imagine that you have been asked to prepare a paper that compares and contrasts guided vs. wireless media for inclusion in your corporation’s knowledge database.
5 Disk, seek time, latency, sector, request Single-platter disk rotation speed: 7200 rpm number of tracks on one side of platter. What is avg rotational latency?
Assume you have been asked to join with many other IT professionals for an hour on the local cable channel, discussing some of the current trends in information management,
Imagine you are creating an application at work that transmits data record to another building within the similar city. The data records are 500 bytes in length,
Create a program to calculate numeric grades for a course. The course records are in a document that will serve as the input document.
Determine the various aspects in which we can view an operating system in terms of the services provided also discuss the differences between the various types of the operating systems and what are the advantages and limitations of each type
The Shortest Job Next (SJN) algorithm queues processes in a way that the ones that use the shortest CPU cycle will be selected for running rst.
Assume that a computer using direct mapped cache has 2^24 words of main memory and a cache of sixty-four blocks, where each cache block contains sixteen words.
Discuss how many minimum length Ethernet frames can a ten Mbps switch port forward in one second, assuming no collision?
Explain the similarities and differences between standard forms, MDI parent forms, and MDI child forms in an MDI application. How is each type of form created?
Sterling Corporation wishes you to create a network infrastructure for them. They have 5-divisions with many hundred users at each division across the US.
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