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 10653

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

Amdocs,

1 2563

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

7 7408




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

CGI,

26 15929

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

RBS,

3 38632

how to find largest file?

Microsoft, Thomson Reuters, HCL,

12 16506

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

2 13079

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

1 3361

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

Perot Systems,

3 13948

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

TCL,

8 10385

how to change a normal file into hidden file

3 6948

what is difference between unix and linux?

IBM, Shell,

6 9392

why unix commands simpler rather than complex task

CGI,

2845

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

1 2841

why unix command can be divided into internal and external command

IBM,

1 4764







Un-Answered Questions { Unix }

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

6037


what is the time for incident, problem and change management tickets?

1403


hw will u use awk in replacing cahrs and files

1696


why metadb requires a seperate slice to create Solaris volume manager

1501


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?

1011


How do I convert a string into an internet address?

167


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

255


Why do I get EPROTO from read()?

244


how to kernel protected memory?

1119


how to sort the content of the file based on numeric values

309


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:

711


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

1034


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

1598


In detail elaborate the system? What is driver?

728


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?

257