I have a RH box and run up2date via cron. Recently it told me: glibc-2.2.4-31.i386.rpm: Retrieved. glibc-common-2.2.4-31.i386. Retrieved. Preparing... Installing /var/spool/up2date/glibc-common-2.2.4-31.i386.rpm... Installing /var/spool/up2date/glibc-2.2.4-31.i386.rpm... The question is: after updating libraries, do I have to reboot to reload them? It seems to me, if I have some binary in memory that uses some library, which is also in memory, that I would have to restart every binary running, or simply reboot, for the newer version on disk to take effect. George