Link	Computer Architectures supported	Gui default is on	Target system type	File systems supported	User friendly for lay users	Integrated firewall	Encrypted file systems	Security threats	Shell terminal	Kernel type
Android	ARMv7,ARMv8-A,x86,ARMv5TE	Yes	Mobile devices,handheld devices	NTFS,exFAt,FAT32	Yes very very user friendly	Android Firewall	-	yes	Terminal Emulator	Linux kernel
FreeBsd	x86, x86-64, PC98, SPARC, others	No	Server, workstation, NAS, embedded	UFS2, ext2, ext3, FAT, ISO 9660, UDF, NFS, ReiserFS (read only), XFS (experimental), ZFS, others	No	IPFW2, IPFilter, PF	Yes	negligible	Bash	Monolithic with modules
Linux	x86, x86-64, PowerPC, SPARC, Alpha, others	- depends on distribution	Desktop/Server Depends on distribution	ext2, ext3, ext4, ReiserFS, FAT, ISO 9660, UDF, NFS, and others	- depends on distribution	chroot, capability-based security,[s 5] seccomp, SELinux	Yes	negligible	Bash shell powerful shell with alot of features	Monolithic with modules
MACOS	68k, PowerPC	Yes	Workstation, personal computer	HFS+, HFS, MFS (Mac OS 8.0 and before), AFP, ISO 9660, FAT(System 7 and later), UDF	Yes	Application Firewall	Yes	negligible	BASH	Monolithic with modules
Windows	x86, x86-64	Yes	Workstation, personal computer, media center, Tablet PC, embedded	NTFS, FAT exFAT ISO 9660, UDF; 3rd-party drivers support ext2, ext3, ReiserFS,[t 10] HFS+, FATX, and HFS (with third party driver)	Yes very user friendly	Windows Firewall	Yes	Huge	CMD	Hybrid
Ubuntu	x86,AMD64,ARM64,S390X	Yes	Desktops,Tablets,Education system,Workstation	XFS,JFS,FAT16,FAT32,FAT16,NTFS,EXT2,EXT3	Yes	chroot, capability-based security,[s 5] seccomp, SELinux	Yes	Maybe	Terminal	Monolithic with modules