Some of the questions I can remember, although not exact, but close :- 1. Here is data in some format state=on format=abcd;status=xyz state=on format=mnop;status=rtu .... n Re-arrange data through bash script in CSV format in the following manner state is on, format is abcd, status is xyz state is on format is mnop, status is rtu .... n 2. Which application runs on the following ports 1) port 20 2) port 22 3) port 25 4) port 53 3. A file abcd.txt is 5.1 mb in size. A hard link with name xyz.txt is created on that file and following is it's du -sh output # du -sh 5.1mb file1 What will be the size of xyz.txt? If we delete abcd.txt, now what will be the size of xyz.txt and will it exist? 4. /etc/passwd has the following entries :- ubuntu:ubuntu /bin/bash user:user /bin/bash /home/user Use shell command to display only the hostname and their home directories. 5. How will you recursively delete "*.bat" from current directory and sub-directories in single bash command? 6. egrep "*.bak" | find . -name "*.bak" {$find . -name "*.bak"} {} \. Explain what this command is doing 7. What is the difference between sudo and sudo -E?
