Operating Systems

What this skill is about

Topics we drill

• Process & Thread Fundamentals
• CPU Scheduling
• Process Synchronization
• Deadlocks
• Memory Management
• Virtual Memory & Page Replacement
• File Systems
• I/O Management & Disk Scheduling
• Inter-Process Communication
• OS Internals & System Calls
• OS Security & Isolation

Why this matters at interviews

Real interviewers don’t just check if you know the syntax — they probe whether you’ve used the concept under production pressure. Our drills mirror that. Adaptive difficulty, named anti-patterns called out as you go, and a senior-staff voice that teaches the production vocabulary rather than dumbing it down.

Companies that test this