UNIX Shell Programming Interview Questions You'll Most Likely

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UNIX Shell Programming Interview Questions You'll Most Likely Be Asked is a perfect companion to stand ahead above the rest in today’s competitive job market. Rather than going through comprehensive, textbook-sized reference guides, this book includes only the information required immediately for job search to build an IT career. This book puts the interviewee in the driver's seat and helps them steer their way to impress the interviewer.

Table of Contents

1. C Shell - Beginner
2. C Shell – Intermediate
3. C Shell – Advanced
4. Bash - Beginner
5. Bash - Intermediate
6. Bash - Advanced
7. Basics
8. Commands
9. Variables and Arrays
10. Special Shell Variables
11. Operators and Shell Substitutions
HR Interview Questions
INDEX

Includes:

a) 276 UNIX Shell Programming Interview Questions, Answers and proven Strategies for getting hired as an IT professional

b) Dozens of examples to respond to interview questions

c) 76 HR Questions with Answers and proven strategies to give specific, impressive, answers that help nail the interviews

d) 2 Aptitude Tests download available on www.vibrantpublishers.com

 

Sample from the book

(Below Questions and Answers are randomly taken from different pages of the book)

 

14: In tcsh, how are the remaining choices (if any) listed whenever the word completion fails?

Answer:

The remaining choices (if any), are listed only if the shell variable autolist is set.

 

15: In tcsh, how do you disable filename substitution?

Answer:

noglob shell variable can be set to disable the filename substitution feature.

 

16: Compare the sched tcsh built-in command with the UNIX/Linux at command.

Answer:

These commands are similar but not the same. sched command runs directly from the shell, so it has access to shell variables and settings at command can run a scheduled command at exactly the specified time.

 

17: Schedule a prompt change at 10:55 as a reminder for an oncoming event.

Answer:

sched 10:55 set prompt = 'It's time for the important meeting: >'

 

18: What is the impact of -f option in the first line of a csh script?

(#!/bin/csh

versus

#!/bin/csh -f)

Answer:

When you add the -f option to csh, the shell will skip loading the startup files .cshrc and resources. It will also skip the hashing process. The shell will load quicker because of that.

 

19: How can you start a job in the background, and then terminate your login session, without terminating the background job?

Answer:

We can start a job in the background and then terminate our login session, without terminating the background job using "no hangup" command, nohup:

nohup command > output_file &

 

BISAC

COM088010   COMPUTERS / System Administration / Linux & UNIX Administration

COM046070   COMPUTERS / Operating Systems / Linux

COM046030   COMPUTERS / Operating Systems / UNIX

 

Tags:

UNIX programming Interview, Shell Programming Interview Questions, UNIX Shell Programming, Advanced UNIX questions, Advanced UNIX Shell Interview, UNIX Shell Core, C shell UNIX, Bash UNIX, HR questions, Job Interview Questions, Vibrant Publishers