Why convenience features do not always translate to beginner friendliness.

2 Write a shell script to check whether a file exists 3 Write a shell script to perform arithmetic operations 4 Write a shell script to find largest of three numbers 5 Write a shell script to check ...

Each section is independent—use only what you need.

Have you thought about your learning goals for the new year? Is one of them to improve your English language skills? We spoke to two teachers who explain how to set different types of goals and more ...