Stencel AcademyHow Linux Works →
Part 1 · Lesson 0 · Beginner

The Round Trip

Watch one command travel and return.

In this interactive Linux lesson from Stencel Academy you don't just read — you type real commands like date, uname -a and watch the machine respond on a live, animated map. It is part of the free How Linux Works course.

Key takeaway: Every command is a round trip from you, through the kernel, to hardware, and back.

What you'll practise

Terms you'll learn

shellkernelsyscallround trip

Check your understanding

Where does `date` ultimately read the time from?
Open the interactive lesson →