CoreOS Essentials
Rimantas Mocevicius
Applied Statistics and Probability for Engineers
Douglas C. Montgomery
CentOS High Availability
Mitja Resman
Effective Perl Programming: Ways to Write Better, More Idiomatic ...
Joseph N. Hall & Joshua McAdams & Brian D. Foy
Learning the Bash Shell: Unix Shell Programming
Cameron Newham & Bill Rosenblatt
Shell Scripting
Steve Parker