07 August 2013 P1.3

*Updated ALL code samples to work with Ruby 2.0
  • Updated CoW section to reflect Ruby’s new CoW-friendly GC
  • Added bit about leaking FDs through exec()
  • Extracted sample code into downloadable files

05 December 2012 P1.2

Fixed ToC target page issue; Fixed lsof reference.

14 June 2012 P1.1

New chapter on rlimits; Many formatting/syntax updates.

24 May 2012 P1.0

Standardized chapter references and syntax corrections.