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 10015

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

Amdocs,

1 2330

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

7 6857

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

CGI,

26 14448

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

RBS,

3 34547

how to find largest file?

Microsoft, Thomson Reuters, HCL,

12 15038

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

2 11826

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

1 3005

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

Perot Systems,

3 12276

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

TCL,

8 9810

how to change a normal file into hidden file

3 6604

what is difference between unix and linux?

IBM, Shell,

6 8847

why unix commands simpler rather than complex task

CGI,

2591

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

1 2643

why unix command can be divided into internal and external command

IBM,

1 4319



Un-Answered Questions { Unix }

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

337


why metadb requires a seperate slice to create Solaris volume manager

1388


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?

148


How do I use TCP_NODELAY?

117


What is the difference between SO_REUSEADDR and SO_REUSEPORT?

171


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:

593


What is ant_build.sh? Have u seen that file?

735


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

180


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

1219


How can I force a socket to send the data in its buffer?

180


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

1492


Why do I get EPROTO from read()?

150


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

120


How can I tell when a socket is closed on the other end?

130


"ls" command is showing all the subdirectoary and files which are present in the current directoary, i want to cut only directoary name. How to cut only name ?

1381