ps -ef | grep
2. How do you see the version details on a Linux machine?
1. uname -a - This will give you kernel and other details
2. cat /etc/redhat-release - This will give you the OS Version release details
3. Where are the configuration files stored in linux file system, which
directory?
/etc
4. Which file stores the password details of Users in linux?
/etc/passwd
/etc/shadow -- Optional
5. What is the Command used to see the access permissions for a directory?
ls -ld
6. Command to change permissions of a file allowing all execute permissions?
chmod u+x,g+x,o+x
or
chmod 555
7. What is the command used to see the environment variables on UNIX?
env
Basic Networking questions
1. How do the open/used ports on your system?
Try /etc/services* file
