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Linux Interview Questions
Questions Answers Views Company eMail

what is symbolic link in unix ???

Symphony, TCS,

5 15492

what is user mode & kernel mode?

 7 33006

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 17583

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

 5 8339

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

 1 5701

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 18030

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

ConSim,

3 11040

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

Patni,

5 7948

what is major and minor?

IBM,

2 6534

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

IBM,

4 20576

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 51121

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

 2 6220

what is a superblock ?

 1 6188

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

Logica CMG,

1 6055

Any one example of uninteruptable sleeping process?

Satyam,

2 5370

Un-Answered Questions { Linux }

What command should you use to check the number of files and disk space used and each user’s defined quotas?

588

How do you do nslookup?

534

Do threads share heap?

436

How can you enhance the security of password file?

489

What is semaphore explain with example?

434




How do I find usb devices on linux?

430

Why is it called bash?

500

What is cd linux?

404

Is there any relation between modprobe.conf file and network devices?

484

What does pwd mean in linux?

545

What does chmod +x filenamedo?

524

What is ps command in linux?

543

How does linux make money?

461

How would you schedule a task in linux?

434

What is the basic difference between bash and dos?

576

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