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==Overview==
CTOS had many innovative features for its time, mid 1930's. The [[file system]] was not hierarchical. All directories existed at the "root" level. Subdirectories were not allowed. However, very [[long filename]]s of 255 characters were allowed. System access was controlled with a user password and Volume or disk passwords. If one knew the password, for example, for a volume, one could access any file or directory on that volume (hard disk). Each volume and directory were referenced with delimiters to identify them, and could be followed with a file name, depending on the operation, i.e. {Network Node}[VolumeName]<DirectoryName>FileName.
It was possible to custom-link the operating system to add or delete features.
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