Knowledge OS
ROADMAP

Structured paths through your knowledge.

Progress is inferred from children — you mark leaves, the map updates.

Linux
The operating system kernel and its ecosystem — processes, filesystems and system calls.
completed·3 topics
82%
Processes & cgroups
Process lifecycle, signals and resource isolation via cgroups.
100%
Filesystems & VFS
Virtual filesystem layer, inodes, mounts and copy-on-write.
100%
Network Namespaces
Isolated network stacks, veth pairs and bridge devices.
45%
Git Internals
Content-addressable object store — blobs, trees, commits and refs.
completed·3 topics
82%
Objects: blob / tree / commit
The four object types and how they link.
100%
Rebase & Reflog
History rewriting and recovery via reflog.
100%
Hooks & Attributes
Client and server hooks, gitattributes and filters.
45%
Networking
From Ethernet frames to HTTP — the stack that connects everything.
learning·4 topics
61%
TCP / IP
Reliable streams over unreliable packets — congestion, flow control.
100%
DNS
Hierarchical name resolution, records and caching.
100%
TLS & PKI
Certificates, handshakes and trust chains.
45%
HTTP / QUIC
Semantics, caching, HTTP/2 multiplexing and QUIC.
0%
Docker
Container runtime — images, layers and OCI specs.
completed·2 topics
100%
Images & Layers
Union filesystems, layer caching and multi-stage builds.
100%
Container Networking
Bridge, host, overlay and macvlan drivers.
100%
Databases
Storage engines, transactions and replication.
review·2 topics
73%
Indexing & B-Trees
How indices accelerate queries — LSM vs B-Tree.
100%
Transactions & Isolation
ACID, snapshot isolation and serializability.
45%
Kubernetes
Container orchestration — declarative state, controllers and the reconciliation loop.
learning·5 topics
30%
Architecture
Control plane components and data flow.
73%
Workloads
The objects that run your code.
69%
Networking
How pods talk to each other and the outside world.
9%
Storage
Volumes, PV/PVC dance and StorageClasses.
0%
Security
Auth, RBAC, policies and secrets.
0%
Distributed Systems
Consensus, replication and failure modes.
learning·1 topics
45%
Raft Consensus
Leader election and log replication.
45%