Top 25 UNIX commands Interview Questions and Answers for Software Testing professionals

Here you will learn Top 25 UNIX commands interview questions and answers asked to software testers.

1. How to get the current directory?
2. How to create a new directory?
3. How to change or navigate to a particular directory ?
4. How to Navigate to HOME directory ?
5. How to move to one level up or directory up ?
6. How to create a new file ?
7. How to display the file content ?
8. How to join two files (file1, file2) and stores the output in a new file (file3) ?
9. How to Rename a file ?
10. How to Lists all files and directories ?
11. How to list files in sub-directories ?
12. How to list hidden files ?
13. How to delete a file ?
14. How to remove directory with files?
15. How to copy a file from one location to a new location ?
16. How to copy contents of a folder ?
17. How do you find out all processes that are currently running?
18. How do you kill a process ?
19. What would you use to view contents of a large error log file ?
20. How do you log in to a remote Unix box ?
21. How do you start a job on background ?
22. How do you know if a remote host is alive or not?
23. How do you copy a file from one server to your local system?
24. How to search a word inside a file ?
25. What is “chmod” command ?

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[anip]

Awesome list!. Thanks very much. Added timestamps to the questions..

0:36 How to get the current directory?
1:46 How to create a new directory?
3:06 How to change or navigate to a particular directory?
4:27 How to change or navigate to HOME directory?
5:47 How to move to one level up or directory up?
6:36 How to create a new file?
9:24 How to display the file content?
10:15 How to join two files(file1, file 2) and store the output in new file (file3)?
11:35 How to rename a file?
12:34 How to list all files and directories?
13:09 How to list all files in sub-directories?
15:38 How to list hidden files?
16:42 How to delete a file?
17:34 How to remove directory with files?
18:40 How to copy a file from one location to a new location?
21:50 How to copy contents of a folder?
23:21 How do you find out all processes that are currently running?
23:56 How do you kill a process?
25:04 What would you use to view contents of a large error log file?
26:18 How do you log into a remote Unix box?
26:53 How do you start a job in background?
27:32 How do you know if a remote host is alive or not?
28:21 How do you copy a file from one server to your local system?
29:37 How to search a word inside a file?
30:10 What is "chmod" command?

[kumard]

First of all Thank you for your video. Awesome. I am beginner the Unix. I learnt quickly and ver easy understanding. And you voice slowly super. I liked you video. Then continue. Thank you.

[davidchifunga]

This is amazing!
I think I found the solutions to the tasking questions I was given as a fresher. It's so benefitial for me.

[abhishekduggal]

Thank you sir.😊.... provide more videos please. You are a good teacher.

[ajaygargu]

nice efforts put, touches every basic command. Appreciate

[sanjayjangid]

Very useful and easy to understand the UNIX commands.
A great thanks.

[anamika]

The video is great, but I believe it lack some information, like you could've explained the purpose of all options that you're using with commands. For example, "ls -ltr" here you're using 3 options, so what is the exact purpose of l, t, and r separately and similarly for other commands also.

[dattatrayarathi]

Thank you so much Sir for sharing interview questions on Unix. If possible also kindly share some toughest questions on Unix for experienced

[vishalmeerut]

really helpful…you have shown the commands with practical…thanks

[musclemaniac]

Thank you so much for sharing your knowledge with us. Just a small suggestion, please don't use Red background for your future videos.

[sunitham]

Clear explanation, Thank you so much.

[happykillfreak]

I like the way that you are actually demonstrating the answer for the questions.

[kchennal]

#Super session.... I refer backed my subject.... Good session. Thank you!!!!

[ankushgaurkhede]

thanku you so much for telling those imp cmd of linux

[jaywantingle]

Very informative and imp commands..Thanks for such a great video

[l.poongodi]

Thanks for your valuable information brother 🤝

[ravikumar-gccz]

Tq sir it's useful for my interviews

[rutikabudar]

thanku sir, very help full. please provide some new advance commands

[prachianillotake]

hello sir very vey thankful to u sir...I mean all your videos are apt and to the point....Sir i wanted to ask a question...is this video ok for 2 years of exp person who is trying to move to Unix testing....hoping for a reply from u....🙂

[baan]

thank you so much. was very helpful, to the point and very helpful.