参考自：How to identify correct Oracle Database software to install on Linux platform (Doc ID 787705.1)
Linux x86: (32-bit OS)
$ uname -a
Linux celnx4 2.6.9-34.0.2.ELsmp #1 SMP Fri Jun 30 10:33:58 EDT 2006 i686 i686 i386 GNU/Linux
If Linux kernel architecture contains "i386 or i686 or x86", then this platform will be referred as "Linux x86". Please ensure that you are downloading/installing the Oracle Database software installation kit that is released for "Linux x86".
Linux x86_64: (64-bit OS)
$ uname -a
Linux celnx7 2.6.9-55.ELsmp #1 SMP Fri Apr 20 16:36:54 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux
If linux kernel architecture is "x86_64", then your platform will be referred as "Linux x86_64" (or Linux AMD64 or Linux EM64T or Linux AMD64/EM64T or Linux x86_64(AMD64/EM64T) ). Please ensure that you are downloading/installing the Oracle Database software installation kit that is released for "Linux x86_64".
Note for 11gR2: "Oracle Database Client 11gR2 released for Linux x86" is supported on "Linux x86_64". Refer point 11 inNote 884232.1.
Linux Itanium: (64-bit OS)
$ uname -a
Linux celia4 2.6.9-42.EL #1 SMP Wed Jul 12 23:25:09 EDT 2006 ia64 ia64 ia64 GNU/Linux
If linux kernel architecture is "ia64", then your platform will be referred as "Linux Itanium". Please ensure that you are downloading/installing the Oracle Database software installation kit that is released for "Linux Itanium".
IBM Power Based Linux: (64-bit OS)
$ uname -a
Linux stuze22 2.6.9-34.0.1.0.11.EL #1 SMP Mon Dec 4 16:10:42 PST 2006 ppc64 ppc64 ppc64 GNU/Linux
If linux kernel architecture is "ppc64", then your platform will be referred as " 'IBM Power Based Linux' or 'Linux on Power' ". Please ensure that you are downloading/installing the Oracle Database software installation kit that is released for "IBM Power Based Linux" or "Linux on Power".
IBM zSeries Based Linux: (64-bit OS)
$ uname -a
Linux pazxxt12 2.6.16.46-0.12-default #1 SMP Thu May 17 14:00:09 UTC 2007 s390x s390x s390x GNU/Linux
If Linux kernel architecture is "s390x", then your platform will be referred as "IBM zSeries based Linux" or "zLinux". Please ensure that you are downloading/installing the Oracle Database software installation kit that is released for "IBM zSeries based Linux" or "zLinux".
IBM S/390 Based Linux (31-bit): (31-bit OS)
$ uname -a
Linux pazxxt10 2.4.21-50.EL #1 SMP Tue May 8 17:10:38 EDT 2007 s390 s390 s390 GNU/Linux
If Linux kernel architecture is "s390" (but not s390x) , then your platform will be referred as "IBM S/390 based Linux (31-bit)". Please ensure that you are downloading/installing the Oracle Database software installation kit that is released for "IBM S/390 based Linux (31-bit)". 10gR1 (10.1.0.x) is the last/terminal Oracle Database release for this platform
