BB	Ben Hamou, André. Practical Ruby for system administration / André Ben Hamou . Berkeley (California) : Apress, cop. 2007
BB	Flanagan, David. The Ruby Programming Language / David Flanagan . Sebastopol (California) : O'Reilly, 2008
BB	Hester, Matthew. Windows Server 2008 R2 administration : instant reference / Matthew Hester, Cris Henley . Indianapolis : Wiley Publishing, 2010
BB	Kochan, Stephen G.. Unix : shell programming / Stephen G. Kochan and Patrick H. Wood . - 3rd ed., 1st pr. Indianapolis, Indiana : Sams, 2003
BB	Limoncelli, Thomas. The practice of system and network administration. Volume 1, DevOps and other best practices for enterprise IT / Thomas A. Limoncelli, Christina J. Hogan, Strata R. Chalup. 3rd ed. Boston [etc.] : Addison-Wesley, cop. 2017
BB	Pro Puppet / Spencer Krum ... [et al.]. 2 nd ed. Berkeley (California) : Apress, cop. 2013
BB	Unix and Linux system administration handbook / Evi Nemeth ... [et al.] . - 5th ed. Boston : Addison-Wesley, cop. 2018