please explain the following command sequences a) who | grep "Seneca" | sort | uniq >>who<< b)sort names c)sort ~/files/phone 1> /dev/null2>phone2 d)ls/root/&> files.log e)ls/etc/>files.log2>&1
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please explain the following command sequences
a) who | grep "Seneca" | sort | uniq >>who<<
b)sort <names > names
c)sort ~/files/phone 1> /dev/null2>phone2
d)ls/root/&> files.log
e)ls/etc/>files.log2>&1
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- Rectangle's Length and Width Code in C language // WARNING: Do not add, remove, or change anything before the line 19 of this file.// Doing so will nullify your score for the activity. #include <stdio.h>#include "rectangle.h" int get_length(Rectangle *rect);int get_width(Rectangle *rect); int main() { int ur_x, ur_y, ll_x, ll_y; printf("UR's X: "); scanf("%d", &ur_x); printf("UR's Y: "); scanf("%d", &ur_y); printf("LL's X: "); scanf("%d", &ll_x); printf("LL's Y: "); scanf("%d", &ll_y); // TODO: Initialize the points here // Point ... // TODO: Initialize the rectangle here // Rectangle ... // TODO: Call the get_length here int len = ___; printf("\nLength: %d", len); // TODO: Call the get_width here int wid = ___; printf("\nWidth: %d", wid); return 0;} // TODO implement get_lengthint get_length(Rectangle *rect) { return 0;} // TODO implement get_widthint get_width(Rectangle *rect){ return 0;} refer to pics for instructionsHELP WITH C++ PASTE INDNETED CODE PLZZ YOU HAVE TO USE THE GIVEN MAIN FUNCTION TO TEST YOUR ANSWER Q4: Continue with House class:a) Copy the previous program to a new file. Implement comparison operator overload for comparing the price of House object. b) Overload the operator > to output boolean, which support auto type conversion. c) Overload the operator <= to output boolean, which support auto type conversion. d) Overload the operator == to output boolean, which support auto type conversion. e) Overload the operator != to output boolean, which support auto type conversion. (Hint: need one argument constructor) Use following main() to test your class. int main(){House a("1234 qcc st, Bayside, NY",1000000); House b("5678 cuny st, Bayside, NY",900000); cout<<(a>b)<<endl; // print 1 cout<<(a<=b)<<endl; // print 0 cout<<(a==b)<<endl; // print 0 cout<<(b!=a)<<endl; // print 1…Given a main() that reads user IDs (until -1), complete the Quicksort() and Partition() functions to sort the IDs in ascending order using the Quicksort algorithm, and output the sorted IDs one per line. Ex. If the input is: kaylasimms julia myron1994 kaylajones -1 the output is: julia kaylajones kaylasimms myron1994
- Program in C language the creation of a vector of n=5 records, each record made up of the following fields: Product_name, Quantity, Price. Include the following functions: a) Vector reading b) Same Vector Screen Printing c) Save the vector to a file d) Read the vector from a file e) main()Address of Array//Write the output of each cout statement.//Assume the size of ints to be 4 bytes.//Assume the size of pointers to ints to be 8 bytes.int main() {int a[3][3]={{1,2,3},{4,5,6},{7,8,9}};cout << sizeof(a) << endl: //1: ___________________________cout << sizeof(a+0) << endl: //2: _____________________________cout << sizeof(*(a+0)) << endl: //3: _____________________________cout << sizeof(**a) << endl; //4: ____________________________cout << sizeof(&a) << endl; //5: _____________________________Assume the address of "a" is 0x7ffee2fef9e0cout << a + 1 << endl; //6: ________________________________________cout << *a + 1 << endl; //7: ________________________________________cout << **a + 1 << endl; //8: _______________________________________cout << &a << endl; //9: __________________________________________cout << &a + 1 << endl; //10:…Cource : Data structure (please read the following bolded words !!!!!!) Write the code in C++ and provide a link for CPP File Please don't send a picture of the code, send the code as a text !! Write the code in C++ not C !! Problem: Create an employee Record Management system using linked listthat can perform the following operations:• Insert employee record• Delete employee record• Update employee record• Show employee• Search employee• Update salary The employee record should contain the following items• Name of Employee• ID of Employee• First day of work• Phone number of the employee• Address of the employee• Work hours• Salary Approach:With the basic knowledge of operations on Linked Lists like insertion, deletion of elementsin the Linked list, the employee record management system can be created. Below are thefunctionalities explained that are to be implemented:Check Record: It is a utility function of creating a record it checks before insertionthat the Record Already Exist or…
- Data structure (please read the following bolded words !!!!!!) Write the code in C++ and provide a link for CPP File Please don't send a picture of the code, send the code as a text !! Write the code in C++ not C !! Problem: Create an employee Record Management system using linked listthat can perform the following operations:• Insert employee record• Delete employee record• Update employee record• Show employee• Search employee• Update salary The employee record should contain the following items• Name of Employee• ID of Employee• First day of work• Phone number of the employee• Address of the employee• Work hours• Salary Approach:With the basic knowledge of operations on Linked Lists like insertion, deletion of elementsin the Linked list, the employee record management system can be created. Below are thefunctionalities explained that are to be implemented:Check Record: It is a utility function of creating a record it checks before insertionthat the Record Already Exist or not. It…:The program should contain 8 sub-functions: O create(- creates an empty data structure; O isEmpty() – returns true, if the data structure is empty; O isFull() – returns true, if the data structure is full; O fill() – fills the data structure with random values (according to the type defined in variant); O add() - adds the new element with random value to the data structure; D remove() – removes the element from the data structure (implementation depends on data structure); O display() – displays the values of data structure elements on the screen; O task() – completes the individual task (according to the variant). process of dynamic data structure type of data structure (stack) Maximum number of elements(16) Type of elements (real numbers) Compute the sum of positive elements and the sum of negative elements in data structure. Recommended programming languages: Pascal, C.Problem 2: Organizing Apps A smart phone model allows users to organize their apps in sets related to the apps purposes. Here is a data definition to represent an app set in DrRacket: 4: An AppSet is one of: *: -- Folder *: -- Apps ;; A Folder is a (make-folder String) (define-struct folder [title]) A + Apps is a (make-apps String AppSet) (define-struct apps [app-name others]) • Draw the class diagram that represents this data definition. You may draw this as ASCII-art and include it in your submission, if you wish. Or you can just draw it on paper and not submit it. Regardless, we think it will help you in visualizing how the data is organized. Convert this data definition into Java. Make sure you use the same names for data types and for the fields, as are used in the DrRacket data definitions, converted into Java style conventions. Make sure that the constructor arguments are given in the same order as shown. Include in your examples the following sets: - a "Travel" set with "Uber"…
- Code: //POinters #include<iostream> using namespace std; int main() { int var = 9; int *ip; double *dp; float *fp; char *ch; ip=&var; //&= address of (saves address of variable var in ip) cout<<"Variable Value "<<var<<endl; cout<<"Address saved in pointer "<<ip<<endl; cout<<"Pointer pointing to value "<<*ip<<endl; *ip=50; cout<<"\nVariable Value "<<var<<endl; cout<<"Address saved in pointer "<<ip<<endl; cout<<"Pointer pointing to value "<<*ip<<endl; } //Dynamic Memory Allocation #include<iostream> using namespace std; int main() { int size,i; int *ptr; cout<<"Enter size of an array"<<endl; cin>>size; ptr = new int[size]; cout<<"Enter Array Elements to store\n"; for(i=0;i<size;i++) { cin>>ptr[i]; } cout<<"Values of Array are\n"; for(i=0;i<size;i++) { cout<<ptr[i]<<endl; } for(i=0;i<size;i++) {…1) Define a global variable Emps that is an array of pointers to employee structs. 2) Change your createEmployee function to add the new employee to the Emps array. It should place it in the first slot that contains a NULL. 3) Write a listEmployees function that will call your display function on each employee in the array. 4) Change main to have a loop that looks for user commands. • If the user types HIRE, you should call createEmployee. If the user types LIST, you should call listEmployees. • If the user types QUIT, you should exit the loop, which will then cause the program to exit. 5) Write a findEmployee function that takes a string parameter and returns the employee pointer with that name or NULL if no such person exists. Change main to add a FIND name command that will find and display a single employee.C++ language Alter the code found in main.cpp Using the file, add/change the code in the file, but only where indicating you can add or change code. main.cpp #include <iostream> using namespace std; /*The function binarySearch accepts a sorted array data with no duplicates, and the range within that array to search, defined by first and last. Finally, goal is the value that is searched for within the array. If the goal can be found within the array, the function returns the index position of the goal value in the array. If the goal value does not exist in the array, the function returns -1.*/int binarySearch(int data[], int first, int last, int goal){ cout << "first: " << first << ", last: " << last << endl; // YOU CAN ONLY ADD OR CHANGE CODE BELOW THIS COMMENT return -1; // YOU CAN ONLY ADD OR CHANGE CODE ABOVE THIS COMMENT} int main(){ const int ARRAY_SIZE = 20; int searchValue; /* generates an array data that contains: 0, 10, 20,…
