SimDojo

The Dojo

Pick a simulator and start operating the algorithm. The two free ones are fully interactive — the rest unlock with the ₹499 pack and ship on a monthly cadence.

🧮Free

CPU Process Scheduling

Run FCFS, SJF, Round Robin & Priority on live process queues. Watch the Gantt chart build itself.

OSOpen →
🧠Free

Memory & Page Replacement

Step through FIFO, LRU & Optimal page replacement. See faults, hits and frame state per reference.

OSOpen →
💽Pack

Disk Scheduling

FCFS, SSTF, SCAN & C-SCAN head movement on a live cylinder track.

OSOpen →
🔐Coming soon

Deadlock & Banker's Algorithm

Allocate resources and test for safe sequences. Watch the system avoid deadlock.

OSSoon
📡Coming soon

Packet Routing

Route packets across a topology with Dijkstra & distance-vector. See the routing tables converge.

NetworksSoon
🔁Coming soon

TCP & Congestion Control

3-way handshake, sliding window, slow start vs congestion avoidance.

NetworksSoon
🌐Coming soon

Subnetting & CIDR

Carve networks, compute masks & hosts, generate infinite subnetting drills.

NetworksSoon
🗂️Coming soon

SQL Query Planner

Build a query plan: see scans vs index seeks, joins & cost estimates.

DBMSSoon
🌲Coming soon

B-Tree Indexes

Insert & split keys in a B-tree; watch the index rebalance live.

DBMSSoon
🔏Coming soon

Transactions & Locking

ACID, isolation levels, 2-phase locking and dirty/phantom reads.

DBMSSoon
📊Coming soon

Sorting & Complexity

Race quick/merge/heap sort, count comparisons, feel Big-O.

DSASoon
🕸️Coming soon

Graph Traversal

BFS, DFS, Dijkstra & A* on a grid you draw yourself.

DSASoon