What is LILO? LILO stands for Linux boot loader. It will load the MBR, master boot record, into the memory, and tell the system which partition and hard drive to boot from. What is the main advantage

Question 1: What is the major advantage of a hash table? (Asked by Silicon Magic Corp. people) Answer: The major advantage of a hash table is its speed. Because the hash function is to take a range o

Q: How would you make the following SQL statement run faster? SELECT * FROM TABLEA WHERE COL1=’A’ AND COL2=’B'; A: Make sure that COL1 and COL2 have indexes.Find out which condition will return less v

How do you list the files in an UNIX directory while also showing hidden files? ls -ltra How do you execute a UNIX command in the background? Use the “&”. What UNIX command will control the defau

Advantages/disadvantages of script vs compiled program.Name a replacement for PHP/Perl/MySQL/Linux/Apache and show main differences.Why have you choosen such a combination of products?Differences betw

How do you take a single line of input from the user in a shell script?Write a script to convert all DOS style backslashes to UNIX style slashes in a list of files.Write a regular expression (or sed s

List the files in current directory sorted by size ? - ls -l | grep ^- | sort -nr List the hidden files in current directory ? - ls -a1 | grep "^\."Delete blank lines in a file ? - cat sampl

What are the main differences between Apache 1.x and 2.x?What does the “route” command do?What are the read/write/execute bits on a directory mean?What does iostat do?what does vmstat do?What does net

How many memory layers are in the shared pool?How do you find out from the RMAN catalog if a particular archive log has been backed-up?How can you tell how much space is left on a given file system an

Job Scheduling; mainly crontab, at, batch commandBackup stetegy; incremental, full system back up; diff between tar & ufsdumpdiff between hard link & softlinkHow to list only the directories i