unix Interview
How to launch 5 diff application from 5 child process
What is the use of man command?
Print numbers in the reverse order
How to write program to print descending order
What is the method by which we find the list of users logged on a server using telnet service?
What is inter-process communication facility?
What are the benefits of creating links to a file?
How can you recognize a shell (c / korn / bourne) just by looking at the prompt?
What is the concept of named pipe?
What is the use of sleep() function?
Pipeline of commands
What is the command to find all of the files which have been accessed within the last one month?
How to read and write of a open file?
Find inode number
Find smallest of 3 numbers
What are the steps for locking a file?
Write a korn shell script for renaming the filenames of the files stored in a folder to lower case.
What is the UNIX command to wait for a specified number of seconds before exit
What is difference between process and a job ?
What is a zombie?
LINUX interview questions
Explain the UNIX file system?
What are the possible return status of kill() command?
How would you remove a semaphore / shared memory whose owner processes have died?
How do you debug a core dump?
Why do we need a dynamic library for? How is it different from a static library
How does fork() and vfork() differ?
What are the benefits of hash table?
What is the use of stat()?
What is a file server?
What is the structure of UNIX file system?
What is wildcard?
What is the use of waitpid?
What is the method of setting an environment variable from a program?
What is meant by child process?
What are the directory commands available in UNIX programming?
What is the use of `du' utility?
How would you create shared and dynamic libraries?
What is stty used for?
Give examples of how memory leaks can occur with C programs?
What type of scheduling is used in UNIX?
Explain difference between ipc mechanisms?
What are the differences between shared and dynamic libraries?
If you want to migrate a 32 bit application to a 64 bit os, what all would you check?