How will you find os version of the linux machine ?

How will I get list of Java Processes running on docker container?

They want to scale Jenkins so he asked me how can I innovate in writing pipeline? Like they had bunch of Test cases which runs more than 12 hours.

A programming question ? Related to excel spread sheet. The question goes this way. columns will go infinitely : A , B.......................Z,AA,AB............AZ,AAA................ZZZZ so interviewer wanted me to choose a programming language of choice and pass the column name and print corresponding column number. A - 1 B- 2 Z - 26 AA - 27 1 + 26 AZA - 1 + 26 + 26 +