Linux Commands Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Linux Commands Interview Questions

Questions Answers Views Company eMail

I want to see how many interfaces(ethernet cards) are working using single command?

8 12522

I want to built a fire wall using iptables. My condition is " inbound to 192.168.0.2 with a port of 80 from 172.168.0.1 should accept"

NetEnrich,

6 13104

I know ssh, telnet, dns,apache all are worked on TCP/UDP but i want to know any one service which are working on UDP only?

Wipro,

10 16061

Q. If we transfer 100 files by ftp to remote server, how to know the files are successfully transfer or some file are not transferred ?

IBM, IMB,

6 14552

difference between nfs soft and hard mouniting points?

Oracle,

5 15910

what are the linux boot files?

CSS, Wipro,

9 31104

what is the command for finding the higest memory occupied file in linux?

IBM,

9 21654

what is the command to uninstall processes in linux?

Aegon, HCL, IBM, Ugam Solutions,

17 31819

in redhat Linux wat is the command to check at ahich date and time file was created?

16 23095

what is ldd?

IBM, Magnum, TCS, Tech Mahindra,

7 17114

How can we see the default gateway ip ini linux.

6 11503

What is the command to see all the processes are working in the last 30 days?

9 14350

What is the command to see the installed rpm's in the linux system.

4 9236

Explain about kernel file in linux?

7 11267

What are the files to be used in the network installation of linux os?

4 9310

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Un-Answered Questions { Linux Commands }

what do know about commands?

1132

What are linux commands?

1017

What is grep command in linux with examples?

1041

How do you create a text file in linux?

1130

How to recover /etc/passwd file and /etc/shadow file?

984

What are bash scripts used for?

1073

What does cd do in linux?

1162

Which Command used to lock user password in Linux?

1056

How do you save a file in linux?

1121

What are whois tools?

912

How do I check if my cpu is overclocked?

1042

You are required to restore the file memo.ben. It was backed up in the tar file MyBackup.tar. Which command would you use to do it?

1059

Which command will show you free/used memory?

992

What is the difference between diff and cmp command in unix?

1053

What command should you use to check your file system?

1013

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