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1. In a shell script, how do we indicate the first, second, and third command line arguments. How about all of them? 2. How do you make an awk script executable within a file? 3. Give a unix command for locating all files of a certain type on the G: drive and copying them to C:\myfiles. How would you count how many there are and list them? 4. Give the command for writing a CD-ROM mounted on /dev/cdrom to a file in your home directory.
5. Give a command that lists all directories in the present working directory (pwd). How would you modify it to list all character or block devices in /dev? 6. Give a command that saves an inventory of all files on your system. 7. Give a one line command that locates all instances of a certain string in a certain location. 8. Give a one line command that parses all words in a text file and gives the frequency of each. 9. Give a one line command that prints a list of all users listed in /etc/passwd and nothing else. 10. Give a command for archiving all the files in your home folder. How would you modify it to save a compressed version? What is the command for extracting a compressed tar file? 11. Give a unix command for locating a word "pattern" in a directory and all its sub-directories. 12. Write a bash script that does the following: prints the contents of /etc/hosts and prints the contents of the file system table. 13. Write a script that takes as input a pattern then kills all processes that satisfy the pattern. 14. Using awk, look for a pattern and, if is found, prints the line containing it. How would you modify this to run an application like notepad? 15. Create a symbolic link from your home directory to another location.
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In physics, a common useful equation for finding the position s of a body in linear motion at a given time t, based on its initial position s0, initial velocity v0, and rate of acceleration a, is the following:
For this assignment, you will be creating a storyboard for your final course project. By now, you should have selected a topic for your web site, and given some thought to your design. Perhaps you have already started working on creating your pages! ..
Write an algorithm to classify the edges of a directed graph G into the four categories: tree edge, back edge, forward edge and cross edge (defined in 22.3 Depth First Search - Classification of edges).
Determine the maximum height h in meters to which the girl can walk up the slide without supporting herself by the rails or by her left leg.The coefficient of static friction between the girl's shoes and the slide is µS=0.8
This assessment item is designed to test your understanding of more advanced database design, your ability to use an iterative approach to modelling, and to examine data problems due to redundancy.
The demand for an item is 8000 units per annum and the unit cost is Re.1/-. Inventory carrying charges of 20% of average inventory cost and ordering cost is Rs. 12.50 per order. Calculate optimal order quantity, optimal order time, optimal inventory ..
Which of the following statements are true? Select one or more
Explain why the NPV and IRR capital budgeting tools are superior to the accounting rate of return and simple payback techniques for determining the attractiveness of capital investment opportunities.
Submit a report for the CIO about three-tiered architecture. The organization has continued to grow, and the architecture of the existing database needs to be changed to increase performance, scalability, and reliability. Your CIO has asked you to..
Given a transmission speed of T bits/second, a packet size of B bytes, a propagation speed of P m/s and a cable length of L meters, what size of packet will result in the last bit being transmitted just as the first bit of the packet arrives at th..
Write a complete program for Visual C++ to calculate and display the volume of a cylinder, given its radius and height. Your program must meet the following requirements.
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