Advanced
832 views
Following are some Unix/Linux administration interview questions, answer them if you can: hat is LILO? LILO stands for Linux boot loader. It will load the MBR, master boot record, into the memory, and...
Intermediate
748 views
Following are some Linux admin interview questions: Do you know them? Can you Answer them? 1. How do you take a single line of input from the user in a shell script? 2. Write a script to convert all D...
Intermediate
705 views
Explain the difference between a static library and a dynamic library? - Static library is linked into the executable, while a dynamic library (or shared object) is loaded while the executable has sta...
Intermediate
574 views
Following are some Unix/Linux programming interview questions, answer them if you can. Question 1: What is the major advantage of a hash table? (Asked by Silicon Magic Corp. people) Answer: The major ...
Advanced
511 views
Which will be faster out of these two queries - one with OR or one with IN? Where does MyISAM cache table records? Which will be faster out of queries with explicit INNER JOIN and implicit one? Is Inn...
Intermediate
391 views
C Interview Questions For Recent graduates and Experienced professionals to gain the knowledge for the C Interview. 1: swap(int x,y) { int temp; temp=x; x=y; y=temp; } main() { int x=2;y=3; swap(x,y);...
Intermediate
372 views
Some Important Unix Shell Questions for Recent Graduates to help them in their Interview Preparations. There can be multiple Ke els and shells running on your system. True or False? Why shell is calle...
Advanced
350 views
Some Very Cool Unix Commands that might be real helpful for an interview or for anything while working with Unix or OS X. cd (change directory) cd myfolder Changes the current working directory to "my...
Advanced
346 views
Following are some Sun Microsystems Solaris OS interview questions, can you answer them?? 1 List the files in current directory sorted by size ? - ls -l | grep ^- | sort -nr 2 List the hidden files in...
Beginner
255 views
To Tar Files of a directory and sub directories recursively: tar cvzf foo.tgz freshershome Will tar the directory freshershome (and its files/subdirectories) into a tar file named foo.tgz. To extract ...
Advanced
155 views
Some Shell Related Basic Things that you must know if you are attending unix administration / linux administration or shell script writing interviews or something similar to it. All the best Read belo...
Easy
4 views
An absolute path starts at the filesystem root, while a relative path is interpreted from the process’s current working directory. A script launched by a scheduler or service may start in a different ...
Medium
4 views
A hard link is another directory entry referring to the same underlying inode on a filesystem. Removing one name does not remove the data while other links or open references remain. A symbolic link i...
Medium
4 views
Use an appropriate locking mechanism around the entire protected job, such as flock on a lock file in a directory accessible to the job’s user. Decide whether a second invocation should wait or exit a...
Easy
3 views
Read permits listing directory entry names. Execute, also called search permission, permits traversing the directory and accessing an entry when its name is known, subject to the entry’s own permissio...
Medium
3 views
A running process may still hold the deleted file open, so its blocks remain allocated until the last relevant reference is closed. Inspect deleted-but-open files with a suitable tool such as lsof whe...
Medium
3 views
SIGTERM requests termination and can be handled so the application stops accepting work, finishes or cancels tasks, and releases resources. SIGKILL cannot be caught, blocked, or handled by the process...