Operating system

An operating system controls the computer hardware and allows its operation by software applications.

Open source or proprietary?

Full article: Open source

Operating systems may be open source (such as Linux, Resurrection Remix OS or Lineage OS) or closed-source (such as Microsoft Windows or Apple's MacOS or iOS). Open-source (non-proprietary) operating systems allow users to inspect their source code.

Popularity

The most widely used operating systems as of 2018 are Microsoft Windows and Android, each installed on slightly over 1/3 of computing devices as of April 2018.iOS and OSX between them account for almost 20%. The fifth most popular operating system was Linux, which had about 0.7% as of April 2018.^[1]

Problems

Filesystem

There are observations that students in the US, since around 2017, do not understand the concept of a filesystem any longer; since most have spent their time not with classic personal computers, but with mobile devices.^[2]

References

[1] ttp://web.archive.org/web/20180421112838/http://gs.statcounter.com/os-market-share

[2] ttps://www.theverge.com/22684730/students-file-folder-directory-structure-education-gen-z

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