diff --git a/course/content/operating-systems/linux/monitoring/disk/README.md b/course/content/operating-systems/linux/monitoring/disk/README.md
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As we have learned in our introduction to monitoring, disk is the only long term persistent storage for a computer system
When a server shuts down, all important data, files, applications and configuration files are all retained on disk.
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### Applications are just files
Applications that developers write are compiled into binaries or executables which are all but files on disk.
diff --git a/course/content/operating-systems/linux/monitoring/disk/disk.drawio.svg b/course/content/operating-systems/linux/monitoring/disk/disk.drawio.svg
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diff --git a/course/content/operating-systems/linux/monitoring/network/network.drawio.svg b/course/content/operating-systems/linux/monitoring/network/network.drawio.svg
index 4c5f027..fc99c9e 100644
--- a/course/content/operating-systems/linux/monitoring/network/network.drawio.svg
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