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Your shell must accept a change directory command. This will be in the form: cd path where cd is the change directory command and the path is what you will change the directory to. As you will be parsing all commands from the user, this should be broken into two char* elements. You can simply call chdir() from unistd.h and pass the path string. Be sure to check if the command worked properly. This can be done by checking the return value of the function. If the function results in an error, you must print an error message. Once again this can be done by calling perror(). Finally, regardless of if the command was successful or not, the prompt should be printed on a new line.
Currently microcontrollers are embedded within most products, typical uses are in Camera's for auto focus and display drivers, Laser printers to compute fonts and control printing.
Q. Explain about Hexadecimal Numbers system? Hexadecimal system has 16 digits that are represented as 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F. A number (F2) H is equivalent to
implementation of threads
Q. Observations of High Level Language Program? Observations Integer constants appeared nearly as frequently as structures or arrays. Most of the scalars were foun
An operating system contains 3 resource classes. The number of resource units in these classes is 7, 7 and 10. The current resource allocation state is shown below:
Explain the term- Intranets Various companies use intranets as well as the internet. Simple definition is "An intranet is a computer network which is based on internet technolo
train reservation algorithm
Q. Explain Basic working of Mainframes? Mainframe computers are normally 32-bit machines or higher. These are suited to large organizations, to manage high volume applications.
Instruction Cycle The instruction cycle consists of a series of steps required for the execution of an Instruction in a program. A distinctive instruction in a program is compo
Q. Explain salient points about indirect addressing? A number of salient points about this scheme are: In this addressing scheme effective address EA and contents of th
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