![Program Program](/uploads/1/2/5/8/125860239/128749804.jpg)
Initial visibility: currently defaults to autocollapse
To set this template's initial visibility, the
|state=
parameter may be used:|state=collapsed
:{{Operating system|state=collapsed}}
to show the template collapsed, i.e., hidden apart from its title bar|state=expanded
:{{Operating system|state=expanded}}
to show the template expanded, i.e., fully visible|state=autocollapse
:{{Operating system|state=autocollapse}}
- shows the template collapsed to the title bar if there is a
{{navbar}}
, a{{sidebar}}
, or some other table on the page with the collapsible attribute - shows the template in its expanded state if there are no other collapsible items on the page
- shows the template collapsed to the title bar if there is a
If the
|state=
parameter in the template on this page is not set, the template's initial visibility is taken from the |default=
parameter in the Collapsible option template. For the template on this page, that currently evaluates to autocollapse
.There aren't really any development fields more challenging than operating system (OS) development. It is the “great pinnacle of programming. Without an operating system, a computer and software would be useless. In the picture is an example of Microsoft Windows XP, an early.
Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages. Subpages of this template. |
![Operating system sample program Operating system sample program](/uploads/1/2/5/8/125860239/659716261.png)
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