[root@storage_server_jt2 local]# ls
ant doc j2sdk1.4.2 man src
apache-ant-1.6.1 etc jakarta-tomcat-4.1.24.bak mantis tomcat
apache2 games jakarta-tomcat-4.1.30 php tomcat.tar.gz
awstats include lib sbin tomcatbak
bin j2sdk libexec share
[root@storage_server_jt2 local]# ls [!lib]
ls: [!lib]: No such file or directory
[root@storage_server_jt2 local]# ls [!li]
ls: [!li]: No such file or directory