On app side, you can use command file. Example: [root@elisdb2]# file /bin/ls /bin/ls: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for GNU/Linux 2.4.0, dynamically linked (uses shared libs), stripped > -----Original Message----- > From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx] > On Behalf Of Tobias Speckbacher > Sent: Thursday, May 05, 2005 9:56 PM > To: General Red Hat Linux discussion list > Subject: Re: 32 bits Vs 64 bits > > uname -a should reveal the architecture the kernel was built for. > > another way to check would be getconf WORD_BIT which returns the size of > long (32 or 64). > > On the app side, i am not sure how to check if you are dealing with a 32 > or 64 bit app, of course the rpm itself should have a target > architecture referenced in its file name. > > -Tobias > > On Thu, 2005-05-05 at 10:11 +0200, Cecilio Marín wrote: > > Hi, > > > > question: I have RHEL3 whith an AMD/64 processor. At any time, how to > > know it operating mode? Any linux command to see it? > > > > Thanks in advance. > > > > > > > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list