Question 2. Consider the following access control scenarios:(a). Let Alice, Bob, and Darth be three non-root users of aUNIX system. Alice owns a directory D with permissions set to 1777(in numeric mode). Bob has created a file F that is in directory D. Atsome point, Bob decides to set permissions for F to 777 (in numericmode). Darth, who wants to cause harm to Bob, decides to takeadvantage of the latter and attempts to delete file F. Can Darthsucceed in his attempt? Justify your answer.

Question 2. Consider the following access control scenarios:(a). Let Alice, Bob, and Darth be three non-root users of aUNIX system. Alice owns a directory D with permissions set to 1777(in numeric mode). Bob has created a file F that is in directory D. Atsome point, Bob decides to set permissions for F to 777 (in numericmode). Darth, who wants to cause harm to Bob, decides to takeadvantage of the latter and attempts to delete file F. Can Darthsucceed in his attempt? Justify your answer.

Similar questions

For this assignment, write a pair of programs, in C or as shell scripts, to send and receive a message. Your programs will: Send and receive a message by a covert channel on a MINIX 3 system. Hint: A permission bit can be seen even when a file is otherwise inaccessible, and the sleep command or system call is guaranteed to delay for a fixed time, set by its argument. Measure the data rate on an idle system. Create an artificially heavy load by starting up numerous different background processes and measure the data rate again.
Representation of permissions
Create a bash script that will take two directories as input parameters, iterate over the lists of files, and report files which are either present in one directory but missing in the other, or present in both directories but differ in content. The script MUST NOT consider subdirectories or files therein. The script should work with both relative and absolute paths. This also means the output format displayed must contain a relative or absolute path depending on what the original argument was (see attached image for commands allowed)
Q7.Which of those mechanisms would probably work better for random file access?
The copywriter in the marketing department uses a problematic Windows 10 computer. In certain cases, a notification of incompatibility may pop up when the copywriter attempts to open a particular file. Given that the data will be utilized in an upcoming catalog, he is understandably anxious.a. Steps to correct these files, please. D: is for files, C: is for Windows.
The copywriter in the marketing department uses a problematic Windows 10 computer. In certain cases, a notification of incompatibility may pop up when the copywriter attempts to open a particular file. Given that the data will be utilized in an upcoming catalog, he is understandably anxious.a. Steps to correct these files, please. D: is for files, C: is for Windows.
a. Differentiate between protection and goal in computer system. b. Compare symmetric and asymmetric encryption schemes, and discuss under what circumstances a distributed system would use one or the other. c. The access-control matrix could be used to determine whether a process can switch from, say, domain A to domain B and enjoy the access privileges of domain.