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Problem
Create 2 files on the computer named file1 and file2. Set the permissions on file1 to "r w x r w _ r _ _"(spaces added for clarity). Set permissions on file2 to "r _ x r w x r w _". Edit file1 in vi and enter the following text into the file: "We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America."
Save the file and run the ‘ls -l' command. Take a screen shot of the output of the command that shows your file permissions and file size.
Charlie uses /usr/Charlie as his home directory, and many of his scripts refer to the pahname /usr/Charlie/html. Later, the home directory is changed.
Write a program that randomly selects letters from the 26-letter alphabet [a,b,..., z} and forms four-letter words. Form 100 such words and see how many of these words make sense.
Prepare a power presentation of the 4 articles. Support your presentation with appropriate references. Use APA format throughout.
create a database in MS Access and a set of reports to support a business . The following business rules should be addressed.
explain procedures (subroutines) and functions and the difference between them.
Suppose you have to use a non-68000-series peripheral that signals an interrupt by asserting a single active-low IRQ* output.
Create an application that demonstrates how both method versions can be called.
What is the difference between an algorithm and a program? How can computers represent pictures as numbers? How can computers represent text as numbers?
Define terms (a) free tree, (b) rooted tree and (c) ordered tree. Draw all different (a) free trees, (b) rooted trees and (c) ordered trees with three vertices.
Explain why they are important in a system development process. State the advantages and disadvantages of the Waterfall approach.
Show a rightmost derivation for aacab. For the following grammar and the right sentential form T * (E + T * F) determine the handle.
What is the format of an external style sheet? What is the purpose of a generic class? What is the difference between the two selectors ol ul and ol > ul?
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