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 12602

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 13140

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 16129

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 14595

difference between nfs soft and hard mouniting points?

Oracle,

5 15941

what are the linux boot files?

CSS, Wipro,

9 31184

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

IBM,

9 21721

what is the command to uninstall processes in linux?

Aegon, HCL, IBM, Ugam Solutions,

17 31963

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

16 23210

what is ldd?

IBM, Magnum, TCS, Tech Mahindra,

7 17175

How can we see the default gateway ip ini linux.

6 11552

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

9 14427

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

4 9274

Explain about kernel file in linux?

7 11329

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

4 9346

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Un-Answered Questions { Linux Commands }

What does r mean linux?

1087

Who unix commands?

1165

What does f mean linux?

973

How often do you use grep command and how in Linux operating system?

1135

why is the tar command used?

1070

What is the command can be run to remove all the rules in an iptable table?

1056

How find ip address linux?

1080

What is a ulimit in unix?

1095

How do I use nslookup in linux?

1051

Brief about the command nn?

1040

Explain about chmod options filename?

1141

What is the difference between command ‘ping’ and ‘ping6’?

1128

What does umask 022 mean?

1150

Brief about the command ff?

1091

What does chmod 755 do?

909

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