DescriptionWrite a C program in Linux that will read from an

DescriptionWrite a C program in Linux that will read from an input file a sequence of student records, willsort them, and will print the sorted records into an output file. The input file will be a text filecontaining information about one student per line. Each line will include the following informationin the following format:StudentID Firstname Lastname Department GPAYou can assume each of the above information (Firstname, Department, etc.) will be a singleword. Assume StudentID is a 7 digit number between (and including) 1000000 and 9999999. AssumeGPA is a floating point number between (and including) 0 and 4. There can be one or more space orTAB characters between the fields. If you use the fscanf() function, then this will not matter andyou will be able to read the fields of a line easily into your variables. Note that Firstname, Lastname,and Department can be any length, therefore make sure you do not make any assumption about theirlengths and create the memory required to hold them dynamically (Tip: the m modifier of fscanf()might be handy here).Your program will read the information from the input file and will build a linked list where eachitem (entry) of the list will contain information about one student. Hence each item of the linked listwill be a structure having fields to store information about a student (in C we do not have class, wehave struct). You can build the list as a doubly linked list. In this case, each item in the list willhave also a pointer to the next item and a pointer to the previous item.After building the list, your program will sort the list using the insertion sort algorithm (Tip: Youcan build the list in the sorted order as well.). Sorting will be done based on the StudentID field.Then your program will write the list of items into an output text file. Each line of the output file willcontain information about one student in the following format:StudentID,Firstname,Lastname,Department,GPANote the comma (instead of space or TAB characters) between fields. The output should containno spaces or TABs, and no empty lines. So, after you write the last line of information, you shouldclose the file. And this should be the end of your program. It is very important that you produce theoutput in this format since we will use this format in our automated tests.DevelopmentIt is a requirement that you have to use linked list data structure and insertion sort algorithm. In thisway, you will be able to practice with pointers and structures.The name of your executable file has to be unisort. A sample invocation of your program canbe like the following:unisort in.txt out.txtHere, in.txt is the input text file, and out.txt is the output text file. It is very important thatyou follow the specifications.Example 1 An example input file (for example, in.txt) can be like the following:2040003 AAAA     BBBBBBBBB  ComputerScience 3.452040002   AAA CCC          ElectricalEngineering        3.012040005 AAAAAAAAAAAAAAAAA BBB ComputerScience 3.60Then the output file (for example, out.txt) will be the following:2040002,AAA,CCC,ElectricalEngineering,3.012040003,AAAA,BBBBBBBBB,ComputerScience,3.452040005,AAAAAAAAAAAAAAAAA,BBB,ComputerScience,3.60

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