Is OSbit and kernelbit a concept?

Is OSbit and kernelbit a concept? -- Linux general technology-Linux programming and kernel information. The following is a detailed description. The machine I use is SUse. The Execution Code is as follows:
Command on tiv-isc10: uname-
Result:
Linux | tiv-isc10 | 2.6.16.21-0.8-ppc64 | #1 SMP Mon Jul 3 18:25:39 UTC 2006 | ppc64 | ppc64 | ppc64 | GNU/Linux

Command on tiv-isc10: cat/etc/* release *
Result:
SUSE Linux Enterprise Server 10 (ppc)
VERSION = 10
LSB_VERSION = "core-2.0-noarch: core-3.0-noarch: core-2.0-ppc: core-3.0-ppc"
Cat:/etc/lsb-release.d: Is a directory

Command on tiv-isc10: getconf LONG_BIT
Result: 32
Command on tiv-isc10: getconf WORD_BIT
Result: 32
Command on tiv-isc10: cat/proc/cpuinfo
Result:
Processor: 0
Cpu: POWER4 + (gq)
Clock: 1453.000000 MHz
Revision: 2.1 (pvr 0038 0201)
Timebase: 181701485
Machine: chrp ibm, 7028-6E4

What is my OS bit?

Get LONG_BIT indicates 32-bit, but other commands are 64-bit, and the root directory contains the lib64 directory, is my host 64-bit or 32-bit?