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Operating Systems Projects and Exercises Exercise 6
Finishing Off Your Shell This week you will be putting the finishing touches to your shell: Script file support Make the shell capable of taking its command line put from a file whose name is provided as a command line in argument. i.e. if the shell is invoked with a command line argument: my shell batchfile then batchfile is assumed to contain a set of command lines for the shell to process.
When the end-of-file is reached, the shell should exit. When a batch file is provided, the shell should provide no prompt. obviously shell is invoked without a command line argument it should solicitinput from the user via a if the prompt on the display as before.
You will probably need to have a look at the difference between the gets and fgets functions and insert a test for end-of-file for when reading from a file (int You may find it easier to use fgets for both types of input using the default FILE stream pointer atdin when no batch file is specified.
Note the use fgets in the c example of Internal Commands Aliases: To provide support for batch file operation, add the following internal commands: echo <="" span="">
The Whodunit system design had a great start, and providing more detail is the next appropriate step in the design process. Collaboration diagrams help give this additional detail, and they will be the focus of this assignment.
Explain what the following fragment of C code does.
Small companies are perhaps more vulnerable to the loss of key employees and the resulting loss of organizational knowledge.
make a printAll() method. In this method, print the color and make of the automobile on one line in accordance to the sample session given below.
design an ASP.NET project with Visual Studio.NET 2005. Add an aspx form to the application. Place an Image control, three RadioButton controls, a Label control, a TextBox control, and a Button control on the form. Add three images to the applicati..
Edit Relationship between Customers and Orders and check Cascade Update Related Fields and check Cascade Delete Related Fields.
List and sketch six of the common stock shapes. What is the difference between roughing and finishing machining operations?
A recent article in an industry magazine discussed the ability to transfer the Power over Ethernet (PoE) and an emerging technology which is able to transfer the Power over Fiber (PoF).
Create a set of use cases for an online university registration system. The system should enable the staff of each academic department to examine the courses offered by their department.
MUX design the function F(A,B,C) = (POS) (0,1,2,3,5,7,). The MUX has an active low strobe input.
List and describe all of the potential benefits (and costs) that Nationstate would realize from the establishment of an enterprisewide architecture.
Write a function mirror Front To Back that mirrors the first half of a sound onto the second half.
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