Blog Archives

01: 14 Unix must-know interview questions & answers

Q1 How do you remove the Control-M characters from a file?
A1 Control-M is a carriage return on keyboard. The ^M is the keyboard equivalent to \r. In a file originated from DOS/Windows the \r\n is used for an end of line carriage return, whereas in Unix it is \n for a new line.… Read more ...

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02: Top 10 Linux interview Q&As

Many production systems run on Linux systems, especially the Cloud infrastructure (i.e. AWS & GCP). Even Android uses the Linux kernel under the hood. So, it really pays to have a good knowledge of Linux.

Q1. How do you check for open ports in Linux?… Read more ...

03: Shell script interview Q&As for Java developers

Q1 How will you go about reading a CSV file as shown below?


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Don't be overwhelmed by the number of Q&As & tech stacks as nobody knows everything, and often key Q&As at the right moment makes a difference.

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