I love Humble Bundle!
A better value, in my opinion, is to join ACM. Anyone can join, you don't have to be a "Computing Machinist." Just associated with one. (I am one, so you are associated). Once you are a paid member you have access to all O'Reilly books (and a much larger library of CS books).
On Thu, Oct 3, 2019 at 6:33 PM Eric Beavers elb@carryingstones.com wrote:
Someone turned me onto a Humble Bundle of O'Reilly Linux/Unix books. $15 gets you 15 books.
https://www.humblebundle.com/books/linux-unix-oreilly-books
Here is the list of filenames, not titles, but I'm sure you can sort it all out.
bashcookbook classicshellscripting effectiveawk greppocketref introducingregularexpressions learninggnuemacs_3rdedition learningthebashshell_3rdedition learningtheviandvimeditors_7thedition linuxdevicedrivers linuxinanutshell linuxpocketguide_3rdedition linuxsystemprogramming masteringregularexpressions sedandawk unixpowertools
-- ~elb