P1.3 - 07 August 2013

*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

P1.2 - 05 December 2012

Fixed ToC target page issue; Fixed lsof reference.

P1.1 - 14 June 2012

New chapter on rlimits; Many formatting/syntax updates.

P1.0 - 24 May 2012

Standardized chapter references and syntax corrections.