Difference between iOS and DragonFlyBSD

1. iOS :
iOS is a mobile operating system which is provided by Apple Incorporation. It is mainly designed for Apple mobile devices like iPhone and iPod Touch. It was earlier known as iPhone OS. It is a Unix-like operating systems which is based on Darwin(BSD) operating system. It is the world’s second most used mobile operating system after Android. It is mainly written in C, C++, Objective-C, assembly language and Swift. The first version of iOS was launched in 2007.

2. DragonFlyBSD :
DragonFly BSD is a free and open source operating system which was developed by Matthew Dillon. It is an Unix-like operating system whose design is inspired from FreeBSD operating system. It is basically not used for personal computers. It was specifically designed for server, workstation, NAS and embedded systems. Majorly programming languages used is C language. The first version of DragonFly BSD was launched in 2003. It has the Hybrid kernel.

Difference between iOS and DragonFlyBSD :

S.No.	IOS	DRAGONFLYBSD
1.	It was developed and is owned by Apple Incorporation.	It was developed by Matthew Dillon.
2.	It was launched in 2007.	It was launched in 2003.
3.	Its target system types are smartphone, music player and tablet computer.	Its target system types are workstation, server, NAS and embedded systems.
4.	Computer architectures supported by iOS are ARMv8-A (iOS 7-present), ARMv7-A (iPhone OS 3-iOS 10) and ARMv6 (iPhone OS 1-iOS 4.2.1).	Computer architectures supported by DragonFlyBSD is x86-64.
5.	It does not have package management.	Its package management is dports or pkg.
6.	Its native APIs are Cocoa and BSD-POSIX.	Its native APIs are BSD/POSIX.
7.	It has preferred license is Proprietary, APSL and GNU GPL.	It has preferred license of BSD.
8.	Its update management is Software Update.	Its update management are git, cvsup, rsync and pkg.
9.	File systems supported by iOS are HFS+ and APFS.	File systems supported by DragonFlyBSD are UFS1, MFS, ext2, FAT, HAMMER and ISO 9660.
10.	The non-native APIs are not supported by its subsystems.	The non-native APIs supported by its subsystems are Mono, Java, Win16, Win32 and Linux.