find -name '*.o' | grep -i btogre

[root@icsserver /]# find -name '*.o' | grep -i btogre
find: `./var/lib/named/proc/7261/task/7261/ns/net': No such file or directory
find: `./var/lib/named/proc/7261/task/7261/ns/uts': No such file or directory
find: `./var/lib/named/proc/7261/task/7261/ns/ipc': No such file or directory
find: `./var/lib/named/proc/7261/ns/net': No such file or directory
find: `./var/lib/named/proc/7261/ns/uts': No such file or directory
find: `./var/lib/named/proc/7261/ns/ipc': No such file or directory
find: `./home/andrzejl/.gvfs': Permission denied
find: `./proc/7261/task/7261/ns/net': No such file or directory
find: `./proc/7261/task/7261/ns/uts': No such file or directory
find: `./proc/7261/task/7261/ns/ipc': No such file or directory
find: `./proc/7261/ns/net': No such file or directory
find: `./proc/7261/ns/uts': No such file or directory
find: `./proc/7261/ns/ipc': No such file or directory
[root@icsserver /]#