From Wikipedia, the free encyclopedia
These tables compare the various free software / open source operating systems . Where not all of the non-EOL versions support a feature, the first version which support it is listed.
License
Kernel type
Kernel programming language
Kernel Thread support
OS family:
Oldest non-EOL version[ Note 1]
Forks
Linux
GPL/LGPL
Monolithic with modules
C
1:1
Unix-like
2.4
µClinux
FreeBSD
BSD (usually, GPL/LGPL software included)
Monolithic with modules
C
1:1
BSD , Unix-like
7.3
DragonFly BSD
OpenBSD
BSD
Monolithic with modules[ Note 2]
C
1:1
BSD , Unix-like
4.2
MirOS
NetBSD
BSD
Monolithic with modules
C
1:1, M:N
BSD , Unix-like
4
OpenBSD
DragonFly BSD
BSD
Hybrid
C
BSD , Unix-like
No
OpenSolaris OpenIndiana
CDDL
Monolithic with modules
C
1:1, M:N
Unix
No
AuroraUX
BSD /CDDL
Monolithic with modules
C , Ada
1:1, M:N
Unix
No
Darwin OpenDarwin PureDarwin
APSL
Hybrid
C , C++ [ Note 3]
1:1
BSD , Unix , Unix-like , Mac OS X
No
Minix
BSD
Microkernel
C
Unix-like
No
FreeDOS
GPL
Monolithic
C
DOS
1.0
Haiku
MIT
Hybrid
C , C++
BeOS
No
House
BSD
Haskell
own/original
No
KolibriOS
GPL
Monolithic
ASM
own/original
No
MenuetOS
Menuet 64
Monolithic
ASM
own/original
No
KolibriOS
GNU Mach GNU Hurd
GPL
Microkernel
Unix-like
No
ReactOS
GPL /LGPL
Hybrid
C , C++
Windows-like
No
L4 Fiasco Pistachio
GPL
Microkernel
C++
L4
No
Plan 9
LPL
Monolithic
C
1:1, 1:M Cothread style.
own, unix inspired
No
Inferno , Plan B
AROS
APL
Microkernel
C
AmigaOS
No
Syllable
GPL
Monolithic with modules
C , C++
1:1
Unix-like , BeOS , AmigaOS , POSIX
No
Inferno
GPL /LGPL /MIT
C
Plan 9
No
OzInferno
FreeRTOS
modified GPL
RTOS
C
RTOS
No
eCos
modified GPL/eCos
RTOS
C , C++
RTOS
No
RTEMS
modified GPL , BSD
RTOS
C and ASM with native support for other languages including C++ and Ada
POSIX, RTEID/ORKID, uITRON
RTOS
4.7.1
HelenOS
BSD
Microkernel
C
M:N
own/original
No
E/OS
GPLv 2
Monolithic
ASM , C
1:1
BeOS , Unix-like
No
License
Kernel type
Kernel programming language
Kernel Thread support
OS family:
Oldest non-EOL version[ Note 1]
Forks
^ a b No for single line development model.
^ OpenBSD contains support for modules on some architectures. They are used only to add third-party features: extracting existing functions into modules in the same manner as FreeBSD is not possible.
^ For IOKit .
Supported architectures
x86 / i386 / IA-32
x86 SMP
Xen
IA-64
x86-64
PowerPC
PowerPC SMP
SPARC 32
SPARC SMP
Alpha
MIPS
ARM
XScale
M68k
PA-RISC
other
hosted mode
Linux
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
FR-V , Cell , ETRAX CRIS , M32R , Xtensa , h8 , s390 , SuperH
UML , coLinux , MkLinux , Itanium Linux-on-Linux , wombat
FreeBSD [ 1]
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
PC98
OpenBSD [ 2]
Yes
Yes
No
No
Yes
Yes
No[ Note 1] [ 3]
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
SuperH , VAX , m88k
NetBSD [ 4]
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
SuperH , ns32k , VAX
DragonFly BSD [ 5]
Yes
Yes
No
No
Yes
No
No
No
No
No
No
No
No
No
No
vkernel
OpenSolaris [ 6]
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
No
No
No
No
No
No
AuroraUX [ 6]
Yes
Yes
Yes
No
Yes
Yes[ Note 1]
No
Yes
Yes
No
Yes[ Note 1]
Yes
No
No
No
Darwin OpenDarwin [ 7]
Yes
Yes
No
No
Yes
Yes
Yes
No
No
No
No
Yes
No
Yes
No
L4/Darwin
Minix [ 8]
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
FreeDOS
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Haiku
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
KolibriOS
Yes
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
MenuetOS
Yes
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
GNU Mach GNU Hurd
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
ReactOS
Yes
Yes
No[ Note 1]
No
Yes
No[ Note 1]
No[ Note 1]
No
No
No
No
Yes
No
No
No
L4 Pistachio
Yes
No
No
Yes[ Note 2]
Yes[ Note 2]
Yes[ Note 2]
No
No
No
Yes[ Note 2]
Yes[ Note 2]
Yes
No
No
No
Plan 9
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes[ Note 3]
Yes[ Note 3]
Yes
Yes
Yes
Yes
Yes[ Note 3]
No
See [5] and [6]
lguest , vx32
AROS
Yes
No
No
No
Yes
Yes
No
No
No
No
No
No
No
Yes
No
i386-linux , i386-freebsd
Syllable
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
Inferno
Yes
?
No
No
?
Yes
?
Yes
?
No
Yes
Yes
Yes
Yes[ Note 3]
No
AMD Am29000 [ Note 3] , Texas Instruments OMAP
Microsoft Windows , Linux , FreeBSD , Plan 9 , Mac OS X , Solaris , Irix , Unixware [ Note 3] , HP-UX [ Note 3] , Internet Explorer
FreeRTOS
Yes
No
No
No
No
No
No
No
No
No
Yes
Yes
No
No
No
AVR , PIC , MSP430 , HCS12 , 8052 , MicroBlaze , Cortex-M3, H8S
eCos
Yes
Yes
No
No
No
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
No
CalmRISC , ColdFire , FR-V , h8 , Matsushita AM3x , Nios II , NEC V8xx , SuperH
Microsoft Windows , Linux
RTEMS
Yes
No
Xen
No
No
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Blackfin , Nios II , Coldfire , Texas Instruments C3x/C4x , SuperH , H8S
Linux , Solaris , Cygwin , FreeBSD plus multiple CPU simulators
HelenOS
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
No
No
No
E/OS
Yes
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
x86 / i386 / IA-32
x86 SMP
Xen
IA-64
x86-64
PowerPC
PowerPC SMP
SPARC 32
SPARC SMP
Alpha
MIPS
ARM
XScale
M68k
PA-RISC
other
hosted mode
^ a b c d e f Work in progress.
^ a b c d e Pistachio supports AMD64; Fiasco only in the CVS version.
^ a b c d e f g Support is outdated or unmaintained.
Supported hardware
General
Networking
Network technologies
^ NetBSD has a kernel-only PPPoE driver.
^ OpenSolaris has support for a TUN driver with TAP support. [1]
Supported file systems
FAT16 / dosfs , FAT32 / vfat
NTFS
Ext2
Ext3
XFS
ReiserFS
UFS
UFS2
HFS
HFS+
Minixfs
BFS
ISO 9660
UDF
NFS
SMBFS
RAM disk / tmpfs
ZFS
Other special file systems
Linux
Yes
Yes[ Note 1] [ Note 2]
Yes
Yes
Yes
Yes
Yes[ Note 3]
Yes[ 14]
Yes
Yes[ Note 4]
Yes
Yes[ Note 3]
Yes
Yes
Yes
Yes
Yes
Yes
9P ,[ Note 5] FUSE ,[ Note 5] sysfs ,[ Note 5] configfs ,[ Note 5] Reiser4 ,[ Note 5] [ Note 6] JFS , Btrfs , UnionFS , Ext4
FreeBSD
Yes
Yes[ Note 3] [ Note 2]
Yes
Yes[ Note 3]
Yes[ Note 1]
Yes[ Note 3]
Yes
Yes
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
FUSE , nullfs , UnionFS
OpenBSD
Yes
Yes[ Note 3]
Yes
No
No
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
No
AFS
NetBSD
Yes
Yes[ Note 3] [ Note 2]
Yes
Yes
Yes
Yes[ Note 3]
Yes
Yes[ Note 3]
Yes
Yes
Yes
No
PUFFS , LFS , EFS
DragonFly BSD
Yes
Yes[ Note 3]
Yes
Yes
Yes
Yes
No
HAMMER , nullfs
OpenSolaris
Yes
Yes [ Note 2] [ Note 7]
No
No
No
No
Yes
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
CIFS (native), QFS
AuroraUX
Yes
Yes [ Note 2] [ Note 7]
Yes
Yes
No
No
Yes
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
CIFS (native), QFS
Darwin OpenDarwin
Yes
Yes[ Note 3] [ Note 2]
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Minix
Yes
No
Yes
No
FreeDOS
Yes
No
No
No
No
No
No
No
No
Yes
Yes
Haiku
Yes
Yes [ Note 2]
Yes
KolibriOS
Yes
Yes[ Note 3]
Yes[ Note 3]
Yes[ Note 3]
Yes
Yes
MenuetOS
Yes
GNU Mach GNU Hurd
Yes
Yes
Yes
Yes
Yes
Yes
ReactOS
Yes
Yes
No
No
No
No
No
No
L4 Fiasco Pistachio
Yes
No
Plan 9
Yes
Yes
No
No
No
No
No
No
No
No
No
Yes
No
Yes
Yes
Yes
Fossil , Venti , most system services
AROS
Yes
Yes
SFS , AFFS
Syllable
Yes
Yes[ Note 3]
Yes[ Note 3]
Yes[ Note 3]
Yes
Yes
Yes
AFS
Inferno
Yes
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
Yes
kfs, most system services
FreeRTOS
eCos
Yes
Yes[ Note 3]
Yes
MMFS, ROMfs, JFFS2 , YAFFS
RTEMS
Yes
Yes
Yes
TarFS, TFTP FS, IMFS, miniIMFS
HelenOS
Yes
No
Yes[ Note 8]
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
devfs
E/OS
Yes
No
Yes
No
No
No
No
No
No
No
Yes
Yes[ Note 9]
Yes
No
Yes
Yes
Yes
No
FAT16 / dosfs , FAT32 / vfat
NTFS
Ext2
Ext3
XFS
ReiserFS
UFS
UFS2
HFS
HFS+
Minixfs
BFS
ISO 9660
UDF
NFS
SMBFS
RAM disk / tmpfs
ZFS
Other special file systems
^ a b Experimental.
^ a b c d e f g Read/Write support via NTFS-3G .
^ a b c d e f g h i j k l m n o p q r Read only kernel driver.
^ read/write access without journalling; HFS+ with journal either be opened read-only or be written with journal ignored (potentially corrupting the file system).
^ a b c d e 2.6 and later.
^ With patch [2] .
^ a b OpenSolaris also has an in-kernel, native CIFS server built directly on the ZFS DMU.
^ Read only.
^ Default in series 028.
Supported file system features
RAID
quota
Resource access control
encryption
other special file system features
Linux
Yes
Yes
Unix , ACL , MAC
Yes
LVM , EVMS
FreeBSD
Yes
Yes
Unix , ACL , MAC
Yes
GEOM , snapshots, background fsck , user-mountable file systems
OpenBSD
Yes
Yes
Unix
Yes
NetBSD
Yes
Yes
Unix , Veriexec
Yes
DragonFly BSD
Yes
OpenSolaris
Yes
Yes
Unix , ACL , MAC
Yes
Solaris Volume Manager , ZFS , snapshots , transparent data repair
AuroraUX
Yes
Yes
Unix , ACL , MAC
Solaris Volume Manager , ZFS , snapshots , transparent data repair
Darwin OpenDarwin
Yes
Unix , ACL
Yes
Minix
Unix
FreeDOS
No
KolibriOS
No
MenuetOS
No
GNU Mach GNU Hurd
Unix
ReactOS
No
L4 Fiasco Pistachio
Plan 9
No
No
Unix-like , no root
No
snapshots, venti archival storage, per-process namespace, user-mountable file systems
AROS
Syllable
Unix
64-bit , journaling , extended file attributes
Inferno
No
No
Unix-like , no root
No
per-process namespace, user-mountable file systems
FreeRTOS
eCos
RTEMS
HelenOS
No
No
No
No
No
E/OS
Yes
Yes
Unix
Yes
No
RAID
quota
Resource access control
encryption
other special file system features
Security features
Operating system
Mandatory access control
Software executable space protection
Operating system-level virtualization
Virtualisation
Userspace protection
Others
Linux
SELinux , AppArmor [ Note 1]
Exec Shield [ Note 1] , PaX [ Note 1]
Chroot , namespace and cgroups[ Note 2] , Linux-VServer [ Note 1] , OpenVZ [ Note 1]
KVM
IPFilter , IPTables
grsecurity [ Note 1] , RSBAC [ Note 1]
FreeBSD
SeBSD [ Note 3] [ Note 4] , TrustedBSD
ProPolice/SSP [ Note 5]
jail
IPFW , PF
Darwin
SEDarwin , TrustedBSD
jail
IPFW
OpenBSD
W^X
PF
OpenSolaris
TrustedBSD
Solaris Containers
IPF
AuroraUX
TrustedBSD
Solaris Containers
IPF
Plan 9
No
No
per-process namespaces
Inferno
No
No
per-process namespaces
See also
References
External links
Emulator images
Software and packages