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1. What do the following commands do ? Explain a. $ mv abc cbs. what would happen if in the above "cbs" is directory ?. What would happen if in the above in "cbs" there is already a file abc ?. what would happen if in the above abc is a directory ?b. $ cp CPU file /etc/passwd /tmp2. Write "find" commands for the following. No output needed.a. find all files from your home directory that have the name "core"b. find all files from /tmp directory that have a size > 5120 bytesc. find all files from /usr/src that are owned by bind. find all files from the current directory that have inode number as 3000e. find all files from /tmp that are directoriesf. find all files from /dev that are character special files.3. Write commands for the following using chmod. Do not use numbers for permissions. ie DO NOT USE 444 or 664 for permission.No output needed.a. to set the permissions of the directory $HOME/ctmp to read only for userread and write for group and no perms for otherb. to add read permissions to group and other for any file4. Write a command to create a symlink to $HOME/homework in /tmpExplain what will happen after the operation, if the link file is removed.Explain what will happen if $HOME/homework is removed.5. Convert the following file permissions to letter format ie using r , w, xa. 444b. 655c. 700d. 055
The managers of the five business units. They will need to know the following about each option in terms that nontechnical staff can readily understand: Whether the costs are classified as opex or capex.
Represent this information by predicate-calculus sentences in such a way that you can represent the question Is there a member of the alpine club
How does third-party plug-ins change process of diagnosing and troubleshooting errors within application? What steps would you take in diagnosing the application which has been changed from its original state?
Determine a counterexample for following algorithm based on greedy strategy.
An information technology recruiting firm has been growing rapidly over the past few years. The number of clients over the past year has quadrupled, and the number of employees has doubled.
Define a simple Web Service in WSDL that returns flight information regarding flights of a particular flight operator, see the first question
Use the smallest possible array to solve this problem. Display the complete set of unique value input after the user inputs each new value.
Explain computer viruses spread via email or by other methods. What negative consequences can they have on an organization's operations?
Write a function to evaluate a polynomial at a given real value a. That is define a function eval(P,a) that takes a list (polynomial) P and a given real number a, and computes P(a).
a system that is in an unsafe state is not necessarily deadlocked. explain why this is true. give an example of such a system ( in an unsafe state) and describe how all the processess could be completed without causing deadlock to ocur
You are required to draw a UML state diagram to represent the following situations in Chess game.
Write down the difference between matrix and a Blosum60 Blosum20 matrix? If one uses one and when other? What is meant by Clustal and summarize the operation.
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