I think that aside from sparc64, all "long" variables of 64bit linux supported systems are 8bytes. Thus, printf("%d",sizeof(long)); should tell you if it is a 64bit system or not. CMIIW. On Friday 09 March 2007 13:56, Sandeep Kumar wrote: > y cpu is 32 bit or 64 bit and the linux kenrel version that i am > > > using is 32 bit or 64 bit. How do i get that ? Is there any command or > > module that i have to use to get the cpu information ? -- Regards, Tzahi. -- Tzahi Fadida Blog: http://tzahi.blogsite.org | Home Site: http://tzahi.webhop.info WARNING TO SPAMMERS: see at http://members.lycos.co.uk/my2nis/spamwarning.html -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ