Can node text contain abbreviations?

Yes, text such as "Interrupts and DMA" is fine. Avoid parentheses and square brackets in node text, because they define node shapes.

How do I turn scheduling into its own diagram?

Copy that branch into a new diagram and make it the root, or use the split-by-branch option in batch export, a member feature.

Is a dark theme a bad idea for printing?

It uses a lot of ink. Switch to a light theme before exporting for print.

Diagramate

Start drawing

Mind map

Operating systems concepts mind map template

An operating systems mind map covering processes and threads, CPU scheduling, synchronization and deadlock, memory management, file systems and I/O. Adapt it to your course or interview prep, then export PNG, SVG, Word or PowerPoint free.

Previewed in the “Ink Black” theme; you can switch themes in the editor

When to use it

An OS course, a systems interview and a qualifying exam all return to these six areas. The map puts each algorithm and concept in its place, so you can see at a glance which area you have not reviewed yet.

Make it yours

Add a level under scheduling or page replacement to note the trade-offs of each algorithm.
For interviews, add common questions as nodes, such as "Process versus thread".
Delete Input and output if your course does not cover it.

Mermaid code

operating-system-mindmap.mmd

mindmap
  root((Operating systems))
    Processes and threads
      Process states
      Process control block
      Thread models
    CPU scheduling
      First come first served
      Shortest job first
      Round robin
      Multilevel feedback queue
    Synchronization and deadlock
      Semaphores and mutexes
      Classic problems
      Deadlock conditions and handling
    Memory management
      Paging and segmentation
      Virtual memory
      Page replacement
    File systems
      Directory structure
      Allocation methods
      Disk scheduling
    Input and output
      Interrupts and DMA
      Buffering and spooling

Ask an AI for one with this structure

Send the prompt below to ChatGPT or Claude, then paste the whole reply into the editor; the code inside is detected automatically.

prompt.txt

Draw an operating systems mind map with Mermaid mindmap syntax. The root is Operating systems, and the main branches are Processes and threads, CPU scheduling, Synchronization and deadlock, Memory management, File systems, and Input and output, each with two to four concepts or algorithms. Put every node on its own line, show levels with space indentation, and do not use list markers or arrows. Output only the mermaid code block.

FAQ

Can node text contain abbreviations?: Yes, text such as "Interrupts and DMA" is fine. Avoid parentheses and square brackets in node text, because they define node shapes.
How do I turn scheduling into its own diagram?: Copy that branch into a new diagram and make it the root, or use the split-by-branch option in batch export, a member feature.
Is a dark theme a bad idea for printing?: It uses a lot of ink. Switch to a light theme before exporting for print.

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Updated 2026-11-11