> For the complete documentation index, see [llms.txt](https://cryptobook.nakov.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cryptobook.nakov.com/mac-and-key-derivation/linux-crypt.md).

# Linux crypt()

... ...

**\[TODO: write a few words about the crypt() function in Linux]**

See [https://en.wikipedia.org/wiki/Crypt\_(C](https://en.wikipedia.org/wiki/Crypt_%28C))

... ...