Unix Interview Questions
Questions Answers Views Company eMail

How to check whether some services are running in another server or not? Suppose i am currently in a server named A.I want to check whether some services are running in server B without logging into the server B.

Amazon, MBA, Syntel, TCS, Unisys,

3 14926

What is the output of : $ ps-e $ ps-a commands

IBM,

5 29700

Which is the command used to find out currently executing Process in UNIX?

Amazon,

6 10625

What is the protocol for PING command?

IBM,

1 6713

How many bits use for MAC address?

Google,

7 8774

what is the default signal kill in unix?

IBM,

8 13672

what is the difference between npar and vpar in HP-UX?

CSC,

1 13725

What is clustering in HP and how it's work?

HP,

1 4394

how to make IGNITE-BACKUP in HP-UX?

HP,

4 17813

what is Online(STM) and offline diagnostics in HP-UX?

HP,

2 7727

What is LILO?

2 4305

How to find and replace the below command?

HCL,

2 8942

How will you know who are the users logged in to the system before 15 minutes?

Amazon,

4 13312

1)what is grep|sort give example? 2)what are the test commands

Cap Gemini,

1 5369

how do you move a backgrounnd job to forward?

Cap Gemini,

3 6921


Un-Answered Questions { Unix }

What does cp mean in unix?

437


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?

2072


Is there any advantage to handling the signal, rather than just ignoring it and checking for the EPIPE error? Are there any useful parameters passed to the signal catching function?

1022


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

486


For which kind of fault the page is checked first?

529






what is wrong with this interactive shell script?

472


What are the events done by the Kernel after a process is being swapped out from the main memory?

1953


Which command can you use to find the currently running process in unix server?

568


What do you understand by the term single user system?

531


What is buffer header unix?

455


Does windows use unix?

471


What is a parent directory in unix?

466


Explain the architectural differences between user-space threads, and kernel-supported threads?

494


Explain command to show the space allocation of files?

605


In what way the Fault Handlers and the Interrupt handlers are different?

513