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Unix Interview Questions
Questions Answers Views Company eMail

What is the difference between udp and tcp?

HCL, TCS,

2 9460

Am using Mac OS 10.4.11 on an Imac (PPC) Internal hard disk got named disk0s3 and will not mount. What commands can be used in TERMINAL to rename the internal hard disk to C96?

 2085

their is a file1,file2 and i want to append file1 data to file2?

IBM,

9 12074

how you know the ip address of user system?

Polaris,

9 10104

how to list all the hidden files?

Polaris,

10 11559

what is the default permission for /etc/shadow file in UNIX

Wipro,

2 8532

why metadb requires a seperate slice to create Solaris volume manager

Wipro,

2536

which script will invoke first ,when /etc/init.d starts

 1 5367

What is the command to check ports active in UNIX?

Accenture, IBM,

4 11650

what these two commands prints "echo test","cat test"?

TCS, Wipro,

6 14386

how to kernel protected memory?

 1901

How to give root privileges without using SU/sudor ?

 1 5182

what is difference between milestone and run-levels in Solaris ?

 2552

How to get the last ten lines of a file using awk utility?

Infosys,

1 7614

Is this the command to connect oracle from unix? sqlplus -s username/password. Then what is the -S here...????

TCS,

1 4839

Un-Answered Questions { Unix }

Max relax-able permission value with out giving write permission to others?

559

What does ls mean in unix?

456

Name two paging states for a page in memory?

566

What is .sh file?

607

What does pipe do in unix?

478




What is the pipe command?

564

What are the file permissions and access modes in unix?

466

How do I check disk space in unix?

476

Can a single socket port be used for multiple applications?

441

How to compare two text files in unix?

523

How does unix file system work?

506

How to check logs in unix?

539

Write a command to kill the last background job?

604

Is windows a unix operating system?

501

The very first process created by the kernel in unix is?

458

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