'find' Command

[root@local~]# find / -name filename

Find out the path of file

[root@local~]# find /tmp -atime +7 -exec rm -fr {} \;

Delete the files under /tmp which access day is over 7 days ago.

[root@local~]# find /tmp -mtime +7 -exec rm -fr {} \;

Delete the files under /tmp which is stored over 7 days ago .

[root@local~]# find /home/folder1 -mtime +30 -exec mv {} /home/folder2 \;

Find all files in folder1 which is stored over 30 days and move to folder2

[root@local~]# find /home -type f -exec sed -i 's/string1/string2/g' {} \;

Replace the string from 'string1' to string2' in all files under /home

ln -s `find /usr/java/ -name 'libnpjp2.so'` /usr/lib/mozilla/plugins/libnpjp2.so

To make symclink for the Firefox 3.6 above to enable Java plus
First download java rpm from java.com and install it.