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- C++ Assignment Setup Part 1: Working With Process IDs Modify the getProcessID() function in the file named Processes.cpp The function must find and store the process's own process id The function must return the process id to the calling program. Note that the function currently returns a default value of -1.Hint: search for “process id” in the “System Calls” section of the Linux manual. Part 2: Working With Multiple Processes Modify the createNewProcess() function in the file named Processes.cpp as follows: The child process must print the message I am a child process! The child process must then return a string with the message I am bored of my parent, switching programs now The parent process must print the message I just became a parent! The parent process must then wait until the child process terminates, at which point it must return a string with the message My child process just terminated! and then terminate itself. Hint: search for “wait for process” in…Assignment 1 University Library SystemIn this assignment you are going to implement your own version of university library system,The system will have two different sides , the first one is to help the librarian to do his job and the other side for admin to manage every one permissions in the system , so You should provide the following features in your system: Admin viewo Add/remove Studentso Add/remove librariano Add/remove other admins Librarian viewo Add/Delete bookso Issue/Return bookso View bookso View Issued bookso Log in /log outo Search for the book(id/name) Simple backend for your system , You could use a file each row should represent item o Books File should be something like:Id , Book Name, Author Name, Available quantity, Issued Quantity 1,Oliver Twist, Charles Dickens,98,2In the previous the first row was the name of each column , you can do that orhandle it in your code , id =1 , Book Name =Oliver Twist ..Etc. Tables neededo Books Id Book Name Author Name…POWERSHELL TASK Try to swap two strings/names in a file and the file name should be a command-line argument.
- A movie file has the following record structure:name ofthe movie producer director type productioncostAssume that the name of the movie is the primary key of the file. Thefield type refers to the type of the movie, for example, drama, sci-fi, horror, crimethriller, comedy and so forth. Input a sample set of records of your choice into themovie file.i) Implement a primary index-based ISAM file organization.ii) Implement secondary indexes on director, type and productioncost.A file is preferable to an array of structures because A. file lives even after the program that created it terminates B. memory space will not be wasted C. there are many system tools to manipulate files D. All of the aboneThe header record of a batch file contains totals of items in the file. Each time the file is processed, the totals are also updated. Nightly, after the batch processes, the relevant data fields are summed and compared with the totals. Unbalanced conditions are reported and corrected. This example describes: a) Segregation of duties b) Application output control c) Application edit check d) Applicaiton input control
- C++ Part 1: Working With Process IDs Modify the getProcessID() function in the file named Processes.cpp The function must find and store the process's own process id The function must return the process id to the calling program. Note that the function currently returns a default value of -1.Hint: search for “process id” in the “System Calls” section of the Linux manual. Take a screenshot of a sample output and upload the picture as part of your assignment submission. Part 2: Working With Multiple Processes Modify the createNewProcess() function in the file named Processes.cpp as follows: The child process must print the message I am a child process! The child process must then return a string with the message I am bored of my parent, switching programs now The parent process must print the message I just became a parent! The parent process must then wait until the child process terminates, at which point it must return a string with the message My child process just…in C# Code in VS studio: Create a program that has 2 options for a user to select. The first option accepts information from the user and then save that data to a file on disk. The second option loads all data stored on that file.C++ We want to build an address book that is capable of storing name, address & phone number ofa person. Address book provides functionality in the form of a menu. The feature list includes: • Add – to add a new person record• Delete – to delete an existing person record by name• Search – to search a person record by name .. Sort - to sort the file after adding a new person record. · Exit – to exit from application
- Unix assignment Purpose: The purpose of this assignment is to use various concepts of the C Shell. 0. Change your default login shell to the C Shell. 1. Create a .cshrc file in your home directory that will do the following: * Create the alias (lsall) that will do all of the following: display the date, and a recursive long list of all files in a directory. * Create the alias (whoson) that will display the date and a sorted list of users logged in. * Declare the LOCAL variable that controls the size of your history list to the value 200. * Declare the shell variable that will cause the C Shell to send a message to your terminal whenever one of your background commands complete. 2. Create a .login file in your home directory to do the following. * Declare the GLOBAL Terminal Type variable to the value vt100. Display the value of the variable. Logout and log back in to make sure your .cshrc and .login files are automatically executed. Create a lab8.scr…A file has r = 20, 000 STUDENT records of fixed length. Each record has the following fields: NAME (30 bytes), SSN (9 bytes), ADRESS(40 bytes), PHONE(9 bytes), BIRTHDATE (8 bytes), SEX(1 byte), CLASSCODE( 4 bytes, integer) MAJORDEPTCODE(4 bytes), MINORDEPTCODE(4 bytes), and DEGREEPROGRAM( 3 bytes). An additional byte is used as a deletion marker. Block size B = 512 bytes. a) Calculate the blocking factor bfr (=floor(B/R), where R is the record size) and number of file blocks b, assuming unspanned organization (a record can’t be split across blocks). b) Suppose only 80% of the STUDENT records have a value for PHONE, 85% for MAJORDEPTCODE, 15% for MINORDEPTCODE, and 90% for DEGREEPROGRAM. We use a variable-length record file. Each record has a 1-byte field type for each field in the record, plus the 1-byte deletion marker and a 1-byte end-of-record marker. Suppose that we use a spanned record organization, where each block has a 5-byte pointer to the next block (this space is not used…Pleaser refer on the attached file.