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Technical difference

Difference between system software and application software.

Difference  between Unix and Linux.

Difference between  Windows and Linux.

Difference between Linux and MAC.

Difference between RHEL , Fedora and CentOS.

Difference between RHEL5,RHEL6 and RHEl7.

Difference between  SSH version 1 and SSH version2

Difference between NFS version 2, 3 and 4.

Difference between bind version 8 and bind version9

Difference between Grub  version 1 and Grub version2.

Difference  between  Squid version2 and Squid version3.

Difference between Apache version 2.2 and 2.4

Difference between Samba version 3 and Samba version4.

Difference between Mysql and Mariadb.

Difference between Mysql versions

Difference between  Redhat  and Suse.

Difference between  Redhat and Ubuntu.

Difference between  Scp and Rsysnc.

Difference between Openssl version.

Difference between Apache  and Nginx.

Difference between Squid versions

Difference between PHP  versions

Difference between FTP versions

Difference between  cpio and tar.

Difference between NIS and LDAP.

Difference between  vi and vim.

Difference between GNOME and KDE.

Difference between single user mode and emergency mode.

Difference between Redhat cluster and Veritas cluster.

Difference between LVM versions

Difference between runlevel 3 and runlevel 5.

Difference between IBM-Unix, SunSolaris and HP-Unix.

Difference between ext2,ext3,ext4, raiserfs and xfs.

Difference between corporate experienced/working trainer and institute trainer.

Difference between teaming  and bridging.

Difference between Nagios versions

Difference between SATA  and SSD harddisk.

Difference between Android versions

Difference between rpm and apt-get.

Difference between  SSH  and telnet.

Difference between less and more.

Difference between tail  and head.

Difference between tail and tailf.

Difference between local variable and global varaible.

Difference between Primary partition, extended partition and logical partition.

Difference between soft link and hard link.

Difference between Suid bit and Sgid bit.

Difference between Raid levels.

Difference between  At and Cron.

Difference between public and private ip address.

Difference between IPV4 and IPV6.

Difference between Postfix and Sendmail

Difference between Syslog and Rsyslog.

Difference between XEN and KVM.

Difference between Iptable and Firewalld.

Difference between Tcpdump and Wireshark.

Difference between Ftp and Lftp.

Difference between gvim and gedit.

Difference between Curl and Wget

Difference  between Kdump and Core dump.

Difference between linuxinterview.com and others.