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Section 15.4 contained several statements about the permissions required for various file-system operations. Use shell commands or write programs to verify or answer the following:
a) Removing all owner permissions from a file denies the file owner access, even though group and other do have access.
b) On a directory with read permission but not execute permission, the names of files in the directory can be listed, but the files themselves can't be accessed, regardless of the permissions on them.
c) What permissions are required on the parent directory and the file itself in order to create a new file, open a file for reading, open a file for writing, and delete a file? What permissions are required on the source and target directory to rename a file? If the target file of a rename operation already exists, what permissions are required on that file? How does setting the sticky permission bit (chmod +t) of a directory affect renaming and deletion operations?
Distinguish between data and information
The first part of the project is a survey (with your own words and your own way of organizing topics) of one area you want to explore in Machine Learning
Plot the points and graph the line as a check on your calculations.
How do you reduce computer screen flicker. How do you minimize all windows. What is a VPN
Introduction to Operating Systems
Discuss which types of portfolio seem best suited for you, considering the specific IT areas you have targeted. Would a PDF portfolio, which you can e-mail, or a website be best
Write a sample program that asks for the center and side length, then prints out the square (using the toString method that you inherit from Rectangle) and the area of the square.
If you like, you may write private methods for the Queue class in addition to the methods described above. For example, you may want to write a copyList() method that can be called by both the copy constructor and overloaded assignment operator.
Which of the following programming techniques and data structures (in a user-level program) are good for a demand-paged environment, and which are bad? Explain your answer.
Why might this behavior be useful?
If the brain is a computer and the mind its workings, is this fitting analogy of the computer and its software? What would happen if we had dedicated computers with a huge number of neuron circuits?
Write a program that can calculate velocity
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