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

Unix Interview Questions

Questions Answers Views Company eMail

What is the difference between udp and tcp?

2 9494

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?

2103

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

IBM,

9 12120

how you know the ip address of user system?

Polaris,

9 10185

how to list all the hidden files?

Polaris,

10 11635

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

Wipro,

2 8561

why metadb requires a seperate slice to create Solaris volume manager

Wipro,

2554

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

1 5385

What is the command to check ports active in UNIX?

Accenture, IBM,

4 11699

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

TCS, Wipro,

6 14419

how to kernel protected memory?

1912

How to give root privileges without using SU/sudor ?

1 5201

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

2562

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

Infosys,

1 7639

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

TCS,

1 4863

Un-Answered Questions { Unix }

What a pipe?

573

What is the use of grep and egrep in unix?

493

How do I search for a file in unix?

504

i am prepairing for 2+ yrs exp in oracle/unix production support,can u tell me which type issue comes in server plz help

6639

What is regular file in unix?

465

Is unix a programming language?

494

What are the main differences between Apache 1.x and 2.x?

7562

Why is unix better than windows?

495

What are the criteria for choosing a process for swapping into memory from the swap device?

587

Explain how to use grep command to list find the records of a file containing 10 different strings?

593

Can multiple clients connect to same socket?

518

How do you determine and set the path in unix?

525

What is hardlink and softlink in unix?

530

system choose one for me on the connect() call? Should I bind() a port number in my client program, or let the?

1163

What is the difference between SO_REUSEADDR and SO_REUSEPORT?

1354

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