Unix Linux Information, Commands , Interview Questions, Adminsitration, Operating system commands, guide, shell programming, threads, multi-tasking

Unix Linux

Unix Interview Questions

Whats $# in a shell script
Whats a $* in shell script
Explain nohup with an example
If $1 is the first parameter, whats $0
How do you see the return code of the last executed command
Explain Cron with an example
what is rsync
Whats the advantage of using ssh over telnet?
Have you used vi? provide example of searching an expression across multiple files (say *.sh) from within vi
How can i find all /tmp/*.zip and move them to, say, /home/to_examine (assuming the target already exists?)
Whats the kill command used for? Whats the difference between kill and kill -9
Whats the "nice" command used for
Provide a regular expression for searching email addresses within a script file
Compare /etc/fstab and /etc/mtab
What do you know of inodes?
Compare Unix FS with, say, Windows/DOS FS
Does UNIX FS require defraging? If yes, whats the command. If no, why? ;-)
How do you redirect std error to std output?
whats the command line for listing the names of the 10 biggest files under /home/