Das ist wichtig für das Compilat, welches installiert werden muss. Beispiel für SuSE:

uname –a Linux egsrvu001 2.6.16.21-0.8-bigsmp #1 SMP

              Mon Jul 3 18:25:39 UTC 2006 i686 athlon i386
              GNU/Linux

cat /proc/version Linux version 2.6.16.21-0.8-bigsmp

              (geeko@buildhost) (gcc version 4.1.0 (SUSE
              Linux)) #1 SMP Mon Jul 3 18:25:39 UTC 2006

cat /etc/SuSE-release

              SUSE Linux Enterprise Server 10 (i586)
              VERSION = 10
              PATCHLEVEL = 1

uname -a

              Linux bugs 2.6.27.29-0.1-default #1 SMP 
              2009-08-15 17:53:59 +0200 x86_64 x86_64 x86_64 GNU/Linux

cat /proc/version

              Linux version 2.6.27.29-0.1-default (geeko@buildhost) 
              (gcc version 4.3.2 [gcc-4_3-branch revision 141291] (SUSE Linux) ) #1 SMP 
              2009-08-15 17:53:59 +0200

cat /etc/SuSE-release

              openSUSE 11.1 (x86_64)
              VERSION = 11.1

im Unix/Linux kann man mit dem Befehl 'file' Informationen über das Executable erhalten

file wvislst

             wvislst: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for GNU/Linux 2.2.5, dynamically linked (uses shared libs), not stripped

file projekte/webavw/bin/wvislst

             projekte/webavw/bin/wvislst: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), for GNU/Linux 2.6.4, dynamically linked (uses shared libs), not stripped

file wperl

             wperl: ELF 64-bit MSB executable, IA-64 (Intel 64 bit architecture), version 1, dynamically linked (uses shared libs), not stripped

file bin/websrv

             bin/websrv: ELF 32-bit MSB executable, SPARC, version 1 (SYSV), dynamically linked (uses shared libs), not stripped