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 10845

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?

2616

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

IBM,

9 14943

how you know the ip address of user system?

Polaris,

9 13031

how to list all the hidden files?

Polaris,

10 14775

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

Wipro,

2 9830

why metadb requires a seperate slice to create Solaris volume manager

Wipro,

3181

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

1 6497

What is the command to check ports active in UNIX?

Accenture, IBM,

4 13569

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

TCS, Wipro,

6 16509

how to kernel protected memory?

2384

How to give root privileges without using SU/sudor ?

1 6096

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

3102

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

Infosys,

1 8718

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

TCS,

1 5700

Un-Answered Questions { Unix }

What is the unix command to confirm a remote host is alive or not?

1227

Why is grep called grep?

1312

What is af_inet in socket?

835

How can you kill a process in unix?

929

How to stop an infinite loop in unix?

961

How unix is different from other operating systems?

929

How can we use grep command in unix?

1222

What was unix originally written for?

954

What is used to type command?

1067

Name the command which is used to execute system calls from exe?

952

How do I show hidden files in unix?

912

Does windows use unix?

960

Elucidate on the different ids used in the unix process?

963

What is difference between grep and find command in unix?

1225

Is unix written in c?

806

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