$ getconf LONG_BIT (this command gives 64 for 64-bit machine and 32 for .......) Hope this helps Regards Sudhakar unix syzadmin <unixsyzadmin@xxxxxxxxx> wrote: Hi, We have a lot of Redhat Linux servers on various hardware. How can we find out if the Linux OS installed is 32-bit or 64-bit? Please suggest, Thanks & Regards, -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list --------------------------------- Find out what India is talking about on - Yahoo! Answers India Send FREE SMS to your friend's mobile from Yahoo! Messenger Version 8. Get it NOW -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list