diff --git a/courses/systems_design/availability.md b/courses/level101/systems_design/availability.md similarity index 100% rename from courses/systems_design/availability.md rename to courses/level101/systems_design/availability.md diff --git a/courses/systems_design/conclusion.md b/courses/level101/systems_design/conclusion.md similarity index 100% rename from courses/systems_design/conclusion.md rename to courses/level101/systems_design/conclusion.md diff --git a/courses/systems_design/fault-tolerance.md b/courses/level101/systems_design/fault-tolerance.md similarity index 100% rename from courses/systems_design/fault-tolerance.md rename to courses/level101/systems_design/fault-tolerance.md diff --git a/courses/systems_design/images/availability.jpg b/courses/level101/systems_design/images/availability.jpg similarity index 100% rename from courses/systems_design/images/availability.jpg rename to courses/level101/systems_design/images/availability.jpg diff --git a/courses/systems_design/images/cdn.jpg b/courses/level101/systems_design/images/cdn.jpg similarity index 100% rename from courses/systems_design/images/cdn.jpg rename to courses/level101/systems_design/images/cdn.jpg diff --git a/courses/systems_design/images/first-architecture.jpg b/courses/level101/systems_design/images/first-architecture.jpg similarity index 100% rename from courses/systems_design/images/first-architecture.jpg rename to courses/level101/systems_design/images/first-architecture.jpg diff --git a/courses/systems_design/images/horizontal-scaling.jpg b/courses/level101/systems_design/images/horizontal-scaling.jpg similarity index 100% rename from courses/systems_design/images/horizontal-scaling.jpg rename to courses/level101/systems_design/images/horizontal-scaling.jpg diff --git a/courses/systems_design/images/microservices.jpg b/courses/level101/systems_design/images/microservices.jpg similarity index 100% rename from courses/systems_design/images/microservices.jpg rename to courses/level101/systems_design/images/microservices.jpg diff --git a/courses/systems_design/images/sharding-1.jpg b/courses/level101/systems_design/images/sharding-1.jpg similarity index 100% rename from courses/systems_design/images/sharding-1.jpg rename to courses/level101/systems_design/images/sharding-1.jpg diff --git a/courses/systems_design/images/sharding-2.jpg b/courses/level101/systems_design/images/sharding-2.jpg similarity index 100% rename from courses/systems_design/images/sharding-2.jpg rename to courses/level101/systems_design/images/sharding-2.jpg diff --git a/courses/systems_design/images/swimlane-1.jpg b/courses/level101/systems_design/images/swimlane-1.jpg similarity index 100% rename from courses/systems_design/images/swimlane-1.jpg rename to courses/level101/systems_design/images/swimlane-1.jpg diff --git a/courses/systems_design/images/swimlane-2.jpg b/courses/level101/systems_design/images/swimlane-2.jpg similarity index 100% rename from courses/systems_design/images/swimlane-2.jpg rename to courses/level101/systems_design/images/swimlane-2.jpg diff --git a/courses/systems_design/intro.md b/courses/level101/systems_design/intro.md similarity index 100% rename from courses/systems_design/intro.md rename to courses/level101/systems_design/intro.md diff --git a/courses/systems_design/scalability.md b/courses/level101/systems_design/scalability.md similarity index 100% rename from courses/systems_design/scalability.md rename to courses/level101/systems_design/scalability.md