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

Linux Interview Questions

Questions Answers Views Company eMail

what is symbolic link in unix ???

Symphony, TCS,

5 17794

what is user mode & kernel mode?

7 35728

What is the difference between a process task and threads and what are the things that are acquired by the child process from the parent process

5 19433

how to run the boot loader in the linux.......

5 10392

what are Softirq's and how many major numbers be allocated in the linux kernel(2.4) ?

1 6504

1.I want to change runlevel but the Users shall not be disturbed?how? 2.Disk have 5gb disk utilization even though files unable to create, why? 3.what are the internal and external command in linux? 4.sar command o/p? 5.how list the open files? 6.what is kernel compiling? 7.How do u See complete configuration in ur system? 8.how will u make a daily updates with cron daily? 9.which port is associated with ttys0? 10.specific some problems linux admin(if u are linux admin)faced and how did u overcome it?

IBM, TCS,

10 21659

1.what is Kernel parameters? 2.how many cpu have use in your machine?

ConSim,

3 12491

what is the command to make a process to run in the background from foreground?

Patni,

5 9833

what is major and minor?

IBM,

2 7850

what is soft mount and hard mount? i have to make permanent nfs mount permanent what shall i do?

IBM,

4 22353

what is the UID and GID of root user? Can a normal user can change the ownership of a file? what is the command to change ownership of a file?

HCL, IPsoft,

9 54085

what is the command to check network interfaces in our system? how to set etho to 10 full duplex speed?

2 7143

what is a superblock ?

1 6901

how many limitations of under directories in ext2/3 linux file system?

Logica CMG,

1 6857

Any one example of uninteruptable sleeping process?

Satyam,

2 6407

Un-Answered Questions { Linux }

What is bc command in unix?

1113

What is deadlock example?

922

What is the use of mv command in linux?

1080

How do you empty a file in linux?

995

What is command grouping?

1107

What is kernel level thread?

871

Does arch linux have a gui?

888

What is the differences between scp and rsync in linux?

1026

What is spinwait?

882

How to Form Internet (IPv4) Socket Addresses?

1545

What causes linux kernel panic?

948

What is linux kernel? Is it legal to edit linux kernel?

1113

Which commands are used to set a processor-intensive job to use less cpu time?

1086

Is arch linux good for beginners?

938

What are the main features of linux operating system?

908

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