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Commands using getconf from sorted by
Terminal - Commands using getconf - 4 results
grep -l 'flags.*\<lm\>' /proc/cpuinfo && (getconf LONG_BIT | grep '64') && java -version
2012-12-17 16:39:55
Functions: getconf grep
Tags: java 32bit 64bit
0

Let's you examine, for example, whether infrastructure folks really provisioned the correct setup.

Java 64-bit checklist

1. check if hardware is 64-bit capable by looking for lm flag

grep -l 'flags.*\<lm\>' /proc/cpuinfo

2. check if kernel is 64-bit

getconf LONG_BIT | grep '64'

3. check if java is 64-bit (simply look for 64-bit in output - if present, then it is, if absent, then it is 32-bit)

java -version
getconf LONG_BIT
2012-12-12 23:51:51
User: varghjarta
Functions: getconf
20

Needed a quick way to see if my server distro that I setup years ago was running 32bit or not, since with time I had forgotten.

Note: does not check _hardware_ e.g. /proc/cpuinfo but rather the kernel installed

getconf LONG_BIT
2009-08-08 21:22:19
User: caiosba
Functions: getconf
Tags: getconf 32 64
92

Easy and direct way to find this out.

getconf ARG_MAX
2009-05-21 14:27:35
User: sharfah
Functions: getconf
1

Get max number of arguments that can be accepted by the exec() system call.