Colorado State University

Recitation R1 - C Programming Tutorial

CS270: Computer Organization


The purpose of this lab is to learn the basics:

Logging In

  1. Login to the machine, using your eID (Same username that you use for RamCT).
  2. The initial password should be your student ID (or whatever password you currently use).
    Troubleshooting:

Class Website

  1. Start your preferred internet browser and type in the url www.cs.colostate.edu/~cs270.
  2. Look at the syllabus and progress tabs.
  3. Find the recitation instructions for today.
  4. Find the instructions for the first assignment.

Writing a C Program

  1. Browse to the P1 assignment on the progress page.
  2. Create a directory for CS270 assignments, we recommend ~/cs270.
  3. Create a subdirectory for P1, we recommend ~/cs270/P1.
  4. The teaching assistant will explain the sample code provided.
  5. Build and run the sample program.
  6. Modify the sample program to add the P1 functions.
  7. Modify the sample program to call the P1 functions.
  8. Build the P1 program and test it yourself.

Compiling a C Program

To compile your program into an executable called P1, type in the following commands to a terminal window:
$ c11 -g -Wall -c P1.c
$ c11 -g -lm P1.o -o P1
To run the compiled program, type the following command:
$ ./P1

Submitting a C Program

  1. Browse to checkin tab on the course website.
  2. Follow the instructions to login.
  3. Submit the P1.c file and wait for preliminary testing to complete.
  4. Browse your submitted code and test results.
  5. Show the submitted code and test results to the TA to get credit for the recitation.
  6. Continue working on P1 as time permits.

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