[fs.conformance.general]

# 31 Input/output library [[input.output]](./#input.output)

## 31.12 File systems [[filesystems]](filesystems#fs.conformance.general)

### 31.12.2 Conformance [[fs.conformance]](fs.conformance#general)

#### 31.12.2.1 General [fs.conformance.general]

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L13168)

Conformance is specified in terms of behavior[.](#1.sentence-1)

Ideal behavior is not always
implementable, so the conformance subclauses take that into account[.](#1.sentence-2)
