uname

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uname (short for unix name) is a software program in Unix and Unix-like computer operating systems that prints the name, version and other details about the current machine and the operating system running on it. The uname system call and command appeared for the first time in PWB/UNIX. Both are specified by POSIX.[1][2]

Some Unix variants, such as AT&T UNIX System V Release 3.0, include the related setname program, used to change the values that uname reports.

The GNU version of uname is included in the "sh-utils" or "coreutils" packages. uname itself is not available as a standalone program.

Examples

On a system running Darwin, the output from running uname with the -a command line argument might look like the text below:

Darwin Roadrunner.local 10.3.0 Darwin Kernel Version 10.3.0: Fri Feb 26 11:58:09 PST 2010; root:xnu-1504.3.12~1/RELEASE_I386 i386

The following table contains examples from various versions of uname on various platforms.[3] Within the bash shell, the environment variable OSTYPE contains a value similar (but not identical) to the value of uname -o.

Distribution System (or kernel) (-s) Operating System (or distribution) (-o) Machine (-m) Processor (-p) Hardware platform (-i or -M) OS (kernel) version (-v) OS (kernel) release (-r)
Android 4.2.1 on Nexus 4 Linux GNU/Linux armv7l Unknown Unknown #1 SMP PREEMPT Thu Nov 8 15:42:02 PST 2012 3.4.0-perf-ge039dcb
Android 2.3 on Meteorit netbook Linux GNU/Linux armv6l Unknown Unknown
any, coreutils 7.1 Linux GNU/Linux sparc64 sparc64 UltraSPARC T1 (Niagara) (all) (all)
any, coreutils 7.1–8.4 Linux GNU/Linux ppc64 ppc64 PPC 970FX (XServe G5) (all) (all)
CentOS 6.5, Pentium SU4100 Linux GNU/Linux i686 i686 i386 #1 SMP Fri Nov 22 00:26:36 UTC 2013 2.6.32-431.el6.i686
Cray UNICOS 9.0.2.2 sn5176 illegal option CRAY Y-MP illegal option illegal option sin.0 9.0.2.2
Cygwin (Windows XP), Pentium 4 CYGWIN_NT-5.1 Cygwin i686 unknown unknown 2006-01-20 13:28 1.5.19(0.150/4/2)
Cygwin 1.7 (Windows 7 32-bit), Core i7 CYGWIN_NT-6.1 Cygwin i686 unknown unknown 2012-07-20 22:55 1.7.16(0.262/5/3)
Cygwin 1.7 (Windows 7 64-bit), Core i7 CYGWIN_NT-6.1-WOW64 Cygwin i686 unknown unknown 2012-05-09 10:25 1.7.15(0.260/5/3)
Cygwin 1.7 64 bit (Windows 7 64-bit) CYGWIN_NT-6.1 Cygwin x86_64 unknown unknown 2014-02-09 21:06 1.7.28(0.271/5/3)
Debian 6.0.5 on Raspberry Pi B Linux GNU/Linux armv6l Unknown Unknown (-i) / invalid (-M) #90 Wed Apr 18 18:23:05 BST 2012 / #538 PREEMPT Fri Aug 30 20:42:08 BST 2013 3.1.9+ / 3.6.11+
Debian on WD MyBookLive Linux GNU/Linux ppc Unknown Unknown (-i) / invalid (-M) #1 Fri Oct 15 17:13:23 PDT 2010 2.6.32.11-svn21605
Debian GNU/Hurd GNU GNU i686-AT386 unknown unknown (-i) / illegal option (-M) GNU-Mach 1.3.99-486/Hurd-0.3 0.3
Debian GNU/kFreeBSD 6.0, AMD GNU/kFreeBSD GNU/kFreeBSD x86_64 amd64 AMD Sempron(tm) Processor 3000+ #0 Thu Nov 26 04:22:59 CET 2009 8.0-1-amd64
DragonFlyBSD DragonFly illegal option i386 i386 GENERIC DragonFly v2.13.0.749.g93fef-DEVELOPMENT #0: … 2.13-DEVELOPMENT
DragonFlyBSD 2.7, AMD64 DragonFly illegal option x86_64 x86_64 [filename of kernel conf file] DragonFly v2.7.3.122.g0ba92-DEVELOPMENT #0: Tue June 8 16:50:35 CEST 2010 2.7-DEVELOPMENT root@Chance.: /usr/obj/usr/src/sys/X86_64_GENERIC
Fedora 19 Linux GNU/Linux i686 i686 i386 #1 SMP Fri Mar 7 17:22:54 UTC 2014 3.13.6-100.fc19.i686
FreeBSD 6.1, Intel FreeBSD illegal option i386 i386 [kernel name from kernel conf file. i.e.: GENERIC] FreeBSD 6.1-RELEASE-p15 #1: Sun Apr 15 18:04:51 EDT 2007 6.1-RELEASE-p15
FreeBSD 9.0, Intel FreeBSD FreeBSD amd64 amd64 [kernel name from kernel conf file. i.e.: GENERIC] FreeBSD 9.0-RELEASE #0: Tue Jan 3 07:46:30 UTC 2012 root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC 9.0-RELEASE
Gentoo, UltraSparc IIe Linux GNU/Linux sparc64 sun4u TI UltraSparc IIe (Hummingbird) #1 SMP Wed Nov 10 02:04:26 CET 2010 2.6.34-gentoo-r12
Haiku R1/Alpha 1, QEMU Haiku Haiku BePC Unknown Unknown r33109 Sep 12 2009 17:45:45 1
HP-UX HP-UX illegal option 9000/712 illegal option [Unique machine ID number or node name if cannot be determined.] U B.11.11
HP-UX 11i v3 HP-UX illegal option ia64 illegal option [Unique machine ID number or node name if cannot be determined.] U B.11.31
IBM AIX 5.3 AIX AIX 00C57D4D4C00 powerpc IBM,8205-E6B 5 3
IBM i 5.3 with QSH OS400 (hostname) (serial number of machine) Unknown Unknown 5 3
IBM i 6.1 with QSH OS400 (hostname) (serial number of machine) Unknown Unknown 6 1
IBM i 7.1 with QSH OS400 (hostname) (serial number of machine) Unknown Unknown 7 1
Interix (Windows Services for UNIX) 3.5 Interix illegal option x86 Intel_x86_Family6_Model28_Stepping10 illegal option 10.0.7063.0 6.1
IRIX IRIX illegal option IP22 mips illegal option
IRIX 6.5.30, Origin 2000 IRIX64 illegal option IP30

IP35

 mips illegal option 07202013 6.5
Linux Mint 10 "Julia" 64-bit Linux GNU/Linux x86_64 Unknown Unknown #33-Ubuntu SMP Sun Sep 19 20:32:27 UTC 2010 2.6.35-22-generic
Linux on Xeon Phi Linux GNU/Linux k1om k1om k1om #2 SMP Fri Jun 21 13:43:31 EDT 2013 2.6.38.8-g2593b11
Mac OS X Panther 10.3, PowerBook G4 (2004) Darwin illegal option Power Macintosh powerpc illegal option Darwin Kernel Version 7.8.0: Wed Dec 22 14:26:17 PST 2004; root:xnu/xnu-517.11.1.obj~1/RELEASE_PPC 7.8.0
Mac OS X Snow Leopard 10.6, MacBook3,1 (Late 2007) Darwin illegal option i386 i386 illegal option Darwin Kernel Version 10.0.0: Fri Jul 31 22:47:34 PDT 2009; root:xnu-1456.1.25~1/RELEASE_I386 10.0.0
Mac OS X Lion 10.7.3 build 11D50, MacbookPro7,1 (Late 2010) Darwin illegal option x86_64 i386 illegal option Darwin Kernel Version 11.3.0: Thu Jan 12 18:47:41 PST 2012; root:xnu-1699.24.23~1/RELEASE_X86_64 11.3.0
Mac OS X Mountain Lion 10.8.3 build 12D78, MacbookPro10,1 (Mid 2012) Darwin illegal option x86_64 i386 illegal option Darwin Kernel Version 12.3.0: Sun Jan 6 22:37:10 PST 2013; root:xnu-2050.22.13~1/RELEASE_X86_64 12.3.0
Mac OS X Mavericks 10.9 build 13A598, MacbookPro5,1 (Mid 2009) Darwin illegal option x86_64 i386 illegal option Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT 2013; root:xnu-2422.1.72~6/RELEASE_X86_64 13.0.0
Mac OS X Yosemite 10.10 build 14A298i, MacbookPro6,2 (Mid 2010) Darwin illegal option x86_64 i386 illegal option Darwin Kernel Version 14.0.0: Tue Jul 15 23:56:31 PDT 2014; root:xnu-2782.1.43.0.2~1/RELEASE_X86_64 14.0.0
Mac OS X El Capitan 10.11 build 15A284, MacBookPro10,1 (Mid 2012) Darwin illegal option x86_64 i386 illegal option Darwin Kernel Version 15.0.0: Sat Sep 19 15:53:46 PDT 2015; root:xnu-3247.10.11~1/RELEASE_X86_64 15.0.0
Manjaro Linux 0.8.11 64 bit Linux GNU/Linux x86_64 Unknown Unknown #1 SMP PREEMPT Sat Nov 15 10:54:42 UTC 2014 3.17.3-1-MANJARO
MINIX 3.1.7, x86 Minix illegal option i686 i386 illegal option 1.7 3
MinGW MINGW32_NT-6.1 Msys i686 Unknown Unknown 2012-11-21 22:34 1.0.18(0.48/3/2)
MSYS MSYS_NT-6.1 Msys i686 Unknown Unknown 2012-11-21 22:34 1.0.18(0.48/3/2)
NetBSD NetBSD Unknown i386 i386 Unknown NetBSD 6.0.1 (GENERIC) 6.0.1
NonStop H06 25 NONSTOP_KERNEL Unknown NSE-T Unknown H06 25 Unknown
NonStop J06 14 NONSTOP_KERNEL Unknown NSE-AB Unknown J06 14 Unknown
OpenBSD 5.4 OpenBSD illegal option amd64 amd64 illegal option GENERIC.MP#1 5.4
openSUSE 10.3, Core2-duo 64-bit Linux GNU/Linux x86_64 x86_64 x86_64 #1 SMP 2007/09/21 22:29:00 UTC 2.6.22.5-31-default
OpenWRT Barrier Breaker r40420 on TL-WR1043ND Linux GNU/Linux mips Unknown Unknown (-i) / invalid (-M) #1 Tue Apr 8 06:30:07 UTC 2014 3.10.34
QNX QNX – x86pc x86 – 2010/07/09-14:44:03EDT 6.5.0
Red Hat Linux, Fedora Core 6, AMD Turion64 mobile Linux GNU/Linux i686 athlon i386 #1 SMP Wed Jan 10 19:28:18 EST 2007 2.6.19-1.2895.fc6
ReliantUNIX ReliantUNIX-Y RM600 R4000 B2005 5.45
SINIX SINIX-Y RM600 R4000 5.43
Solaris 8 SunOS illegal option sun4u sparc SUNW,UltraAX-i2 Generic_117350-50 5.8
Solaris 9, Sun Fire 280R SunOS illegal option sun4u sparc SUNW,Sun-Fire-280R Generic_112233-08 5.9
Solaris 10, Sun Fire V490 SunOS illegal option sun4u sparc SUNW,Sun-Fire-V490 Generic_142900-13 5.10
Solaris 11.1, Sun Fire X4540 SunOS Solaris i86pc i386 i86pc 11.1 5.11
OpenIndiana SunOS illegal option i86pc i386 i86pc oi_151a8 5.11
SmartOS SunOS illegal option i86pc i386 i86pc joyent_20150403T203811Z 5.11
OmniOS SunOS illegal option i86pc i386 i86pc omnios-a708424 5.11
Tru64 OSF1 invalid alpha alpha invalid 2650 V5.1
Ubuntu 11.04 Linux GNU/Linux x86_64 x86_64 x86_64 #46-Ubuntu SMP Tue Jun 28 15:07:17 UTC 2011 2.6.38-10-generic
Ubuntu 12.0.4 on Pandaboard ES Linux GNU/Linux armv7l armv7l armv7l #33-Ubuntu SMP PREEMPT Sat Jan 26 00:46:04 UTC 2013 3.2.0-1425-omap4
Ultrix ULTRIX – VAX – – 0 4.5
Unity Linux Linux GNU/Linux i686 Intel(R) Core(TM) i5-2520M CPU @ 2.50 GHz Unknown (-i) / invalid (-M) #1 SMP Fri Oct 1 16:46:58 UTC 2010 2.6.35.7-unity1
(SCO) OpenServer 5.0.6 SCO_SV (hostname) i386 i386 illegal 5.0.6 3.2
(SCO) System V SCO_SV illegal i386 i386 illegal 6.0.0 5
(SCO) UnixWare 7.1.4 UnixWare illegal option i386 x86at -i hardware serial/license number, .e.g. 1AB000123 or NUL000000; -M is illegal option 7.1.4 5
UWIN (64 bit Windows 7), Intel Core i5 UWIN-W7 UWIN i686-64 x64 64/64 2012-06-26 5.0/6.1
SYS$UNIX:SH on OpenVMS on VAX emulator IS/WB illegal option vax-6340 illegal option illegal option std 5.0
z/OS USS OS/390 Unknown 2097 Unknown -i/-M: unknown option; -I: z/OS 03 22.00

See also

Footnotes

  1. ↑ uname. The Open Group Base Specifications Issue 7/IEEE Std 1003.1, 2013 Edition. Specifies the command.
  2. ↑ uname. The Open Group Base Specifications Issue 7/IEEE Std 1003.1, 2013 Edition. Specifies the function/system call.
  3. ↑ These are merely meant to broadly represent common systems; actual output may vary depending on hardware type, OS version, and which software patches have been installed.

External links

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