systemdirectory

noun
UK /ˈsɪstəm dɪˈrɛktəri/
US /ˈsɪstəm dɪˈrɛktəri/

A system directory is a special folder where a computer keeps important files it needs to work.

The program was installed in the system directory by default.


OTHER MEANINGS

2. A list of names and contact details kept for an organization's internal use.

The IT team updated the system directory with new employee phone numbers.

3. A reference structure that organizes system components by category.

The manual includes a system directory of all available commands.

4. In computing, the main location where the operating system stores its core files.

Deleting files from the system directory can break your computer.