ubuntu@ip-10-234-125-196:~/apache-tomcat-6.0.32/webapps$ ls -l c*war
-rwxrwxrwx 1 ubuntu ubuntu 31826923 2012-06-28 09:05 cms_v3.war
ubuntu@ip-10-234-125-196:~/apache-tomcat-6.0.32/webapps$ rm -f c*war
rm: cannot remove `cms_v3.war': Permission denied
ubuntu@ip-10-234-125-196:~/apache-tomcat-6.0.32/webapps$ sudo rm -f c*wa
ubuntu@ip-10-234-125-196:~/apache-tomcat-6.0.32/webapps$ sudo rm -f c*war
rm: cannot remove `cms_v3.war': Permission denied
ubuntu@ip-10-234-125-196:~/apache-tomcat-6.0.32/webapps$ whoami
ubuntu