Unix Interview Questions
Questions Answers Views Company eMail

What Is the command to change a file's creation time. means one file is created at the time 15:19 then time should br changed to 14:14

IBM, 3i Infotech,

8 10825

how to set request time out value for name resolution on clients (hp-ux) ?

Amdocs,

1 2623

How do you find which version and name of unix you are using at the command prompt?

7 7512




Is there any command in Unix, other than:ls, to list the files in a directory? The answer will be highly appreciated...

CGI,

27 16276

What is the difference between AWK and SED commands? Plz give example and explain...

RBS,

3 39555

how to find largest file?

Microsoft, Thomson Reuters, HCL,

14 16880

What is "type" command in unix?what is the functionality??

2 13378

how to check GDE,EME,Java,Oracle9i Enterprise Edition Release versions Versions on unix system

1 3462

How to know a process is a zombie or orphan process?

Perot Systems,

3 14365

HOW can I work UNIX commands on Windows XP without installing UNIX O/S in PC

TCL,

8 10511

how to change a normal file into hidden file

3 7007

what is difference between unix and linux?

IBM, Shell,

6 9504

why unix commands simpler rather than complex task

CGI,

2908

how can you say that unix operating system provides more security than other operating systems.

1 2891

why unix command can be divided into internal and external command

IBM,

1 4845









Un-Answered Questions { Unix }

When i run a programm of orphan process. Instead of getting child's parent (ppid)=1 ..i get 1400 and it varies as per system. How can i findthe right soluion??? My pgm: #include # include int main() { int pid; pid=fork(); if(pid < 0) {exit(-1);} else if(pid==0) { printf("Child Process is Sleeping ..."); sleep(10); printf("Orphan Child's Parent ID : %u ",getppid()); } else { printf("Parent Process Completed ... %u ",getpid()); exit(0); } return 0; } Output:

758


What is the procedure to configure MC/SG Cluster services in HP-UX 11i v3 OS Environment?

4112


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?

290


How can I set the timeout for the connect() system call?

323


what is the advaantage of each user having its own copy of the shell?

982






How can I write a multi-homed server?

517


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

6123


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

1087


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

454


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

1655


How do I use TCP_NODELAY?

255


why metadb requires a seperate slice to create Solaris volume manager

1550


i m putting 2.6yrs fake exp in oracle/unix production support i want to know some real time issues,like tell me the challenging issue u ever faced? my project is credit card application plz help me!

9448


What are the pros/cons of select(), non-blocking I/O and SIGIO?

283


why unix commands simpler rather than complex task

2908