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syswrite 

        # IO.syswrite

(from ruby core)
---
    ios.syswrite(string)   -> integer

---

Writes the given string to *ios* using a low-level write. Returns the
number of bytes written. Do not mix with other methods that write to
*ios* or you may get unpredictable results. Raises SystemCallError on
error.

    f = File.new("out", "w")
    f.syswrite("ABCDEF")   #=> 6

This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.