1)Define a deamon?
2)Can we use crontab to run a script per second? if yes how? if no why?
3)How to create a deamon with shell scripting?
4)What is DDNS and how it works?
5)Which mail server is secure Sendmail or Postfix?
6)How can i check exit status of my the previous command?
7)I have a file each line contains “/var/www/html”, replease this entry in all lines with “/home/xyz/red” with single command or an editor
8)How can you configure DNS caching server?
9)Please give me syntax for a FOR look in Bash scripting(please specify 2 types too)
10)What is the difference between crontab and at command?
11)What is the best project you done till this point?(Any considerable achievement till this point in your domain?)
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