Linux Important Topic- Interview Question -Certification

Difference between hard link and soft link
Difference Between lilo and grub
Difference Between cron job
Difference Between ext2 and ext3 file system
Difference between Hub And Switch
Difference Between TCP and UDP
Disk user Quota
Raid Configuration Command
LVM Extend and Reduce
Sama server
web server and DNS configuration
sudo privilege
Setup NFS
ACL Command
iptables
selinux
top command
Ps Command
du command
dd command
Linux Netstat command
How will configure NIS -Network Information Authentication & nfs Network File sharing, ftp
Different Run Level
Default file permission and umask
find Linux bit
grub.conf
/etc/fstab
/etc/passwd
/proc file system kernel configuration
log file
ls -l
sed
awk
>Booting Process
Zombie Process
Different Port number
Kernel Important Process
stick bit
Different RAID Level