a site means to take extraordinary measures to reduce a system's vulnerability, using special versions of the operating system, and eliminating operating systems features and functions that are not required by the application.

Cprogram to find //perimeter of rectangle printf(" \n perimeter of rectangle \n"); printf(""); printf("\n enter width and length of the rectangle : "); scanf("%f%f", & width,& length); perimeter = 2 * (width + length); printf("perimeter of rectangle is: %.3f", perimeter);