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 17562

what is user mode & kernel mode?

7 35474

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 19271

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

5 10219

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

1 6427

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 21294

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

ConSim,

3 12366

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

Patni,

5 9676

what is major and minor?

IBM,

2 7748

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

IBM,

4 22194

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 53771

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

2 7042

what is a superblock ?

1 6816

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

Logica CMG,

1 6779

Any one example of uninteruptable sleeping process?

Satyam,

2 6320

Un-Answered Questions { Linux }

Is red hat linux free?

849

What are Reserved IP Numbers?

1364

How many users can login into linux server at same time??

1463

give some examples of linux open source software.

820

How do I move directories in linux?

878

Whats better threading or waxing?

811

Enlist some linux networking and troubleshooting commands?

1074

How to obtain information about shared memory?

1550

Enlist some linux to file content commands?

1070

What do cpu threads do?

872

Do I need antivirus for linux mint?

907

Can you run linux on a tablet?

910

Do threads share file descriptors?

921

What linux do hackers use?

934

What is difference between free and available memory in linux?

1000

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