Story
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In university for institute researchers there would be needed to create separate network drives with different file systems for different OS users. In server there are 4 disks in addition - please use each disk for each OS user (3 different operating systems) and onto last drive please create a swap area.

File systems, mount points
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For MS Windows users please use the file system NTFS (please use NTFS-3G) with mount point /var/research/windows
For GNU/Linux  users please use the file system EXT4 with mount point /var/research/linux
For macOS  users please use the file system HFS+ with mount point /var/research/mac

Feel free to install missing software.

Shared folders and permissions
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/var/research/windows with group clippy, writable only for group, no permissions for others
/var/research/linux with group tux, writable only for group, no permissions for others
/var/research/mac with group apple, writable only for group, no permissions for others

Users and groups, symlinks
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Please create a user win/win with default group clippy, please create also symlink to home folder with name shared referring to /var/research/windows

Please create a user  lin/lin with default group tux, please create also symlink to home folder with name shared referring to /var/research/linux

Please create a user  mac/mac with default group apple, please create also symlink to home folder with name shared referring to /var/research/mac

All files and folders created by users must be writable by group.

Swap
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Onto last disk please create a swap area. Please change also swappiness from default value 60 to 10. Please also answer the question: what does that parameter mean?

Permanent settings
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Please configure server so that previously created disks will be mounted at system startup.

Links
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https://help.ubuntu.com/community/DrivesAndPartitions
https://help.ubuntu.com/stable/ubuntu-help/disk-partitions.html - on desktop
https://help.ubuntu.com/lts/serverguide/advanced-installation.html