-a:显示所有文件，包括隐藏文件
-d:只显示目录
-f:显示完整的文件名，包含路径
-L:显示目录树的深度
[root@rusky /]# tree -L 2 -a -f /home /home |-- /home/99user.ldif |-- /home/Legal | |-- /home/Legal/COPYRIGHT.txt | |-- /home/Legal/Entitlement_de.txt | |-- /home/Legal/Entitlement_es.txt | |-- /home/Legal/Entitlement_fr.txt | |-- /home/Legal/Entitlement_it.txt | |-- /home/Legal/Entitlement_ja.txt | |-- /home/Legal/Entitlement_ko.txt | |-- /home/Legal/Entitlement_sv.txt | |-- /home/Legal/Entitlement_zhCN.txt | |-- /home/Legal/Entitlement_zhTW.txt | |-- /home/Legal/Entitlements_1000Entries-Upgrade.txt | |-- /home/Legal/Entitlements_1000Entries.txt | |-- /home/Legal/Entitlements_250Entries-Upgrade.txt | |-- /home/Legal/Entitlements_250Entries.txt | |-- /home/Legal/LICENSE.txt | |-- /home/Legal/License_Notice_Translated.pdf | |-- /home/Legal/License_de.txt | |-- /home/Legal/License_es.txt | |-- /home/Legal/License_fr.txt | |-- /home/Legal/License_it.txt | |-- /home/Legal/License_ja.txt | |-- /home/Legal/License_ko.txt | |-- /home/Legal/License_sv.txt | |-- /home/Legal/License_zhCN.txt | |-- /home/Legal/License_zhTW.txt | |-- /home/Legal/Multilanguage_Entitlement.txt | `-- /home/Legal/THIRDPARTYLICENSEREADME.txt |-- /home/apache-tomcat-6.0.37 | |-- /home/apache-tomcat-6.0.37/LICENSE | |-- /home/apache-tomcat-6.0.37/NOTICE | |-- /home/apache-tomcat-6.0.37/RELEASE-NOTES | |-- /home/apache-tomcat-6.0.37/RUNNING.txt | |-- /home/apache-tomcat-6.0.37/bin | |-- /home/apache-tomcat-6.0.37/conf | |-- /home/apache-tomcat-6.0.37/lib | |-- /home/apache-tomcat-6.0.37/logs | |-- /home/apache-tomcat-6.0.37/temp | |-- /home/apache-tomcat-6.0.37/webapps | `-- /home/apache-tomcat-6.0.37/work |-- /home/jdk-6u20-linux-i586.bin |-- /home/jdk1.6.0_20 | |-- /home/jdk1.6.0_20/COPYRIGHT | |-- /home/jdk1.6.0_20/LICENSE | |-- /home/jdk1.6.0_20/README.html | |-- /home/jdk1.6.0_20/README_ja.html | |-- /home/jdk1.6.0_20/README_zh_CN.html | |-- /home/jdk1.6.0_20/THIRDPARTYLICENSEREADME.txt | |-- /home/jdk1.6.0_20/bin | |-- /home/jdk1.6.0_20/db | |-- /home/jdk1.6.0_20/demo | |-- /home/jdk1.6.0_20/include | |-- /home/jdk1.6.0_20/jre | |-- /home/jdk1.6.0_20/lib | |-- /home/jdk1.6.0_20/man | |-- /home/jdk1.6.0_20/register.html | |-- /home/jdk1.6.0_20/register_ja.html | |-- /home/jdk1.6.0_20/register_zh_CN.html | |-- /home/jdk1.6.0_20/sample | `-- /home/jdk1.6.0_20/src.zip |-- /home/king | |-- /home/king/META-INF | |-- /home/king/WEB-INF | |-- /home/king/com_sun_web_ui | |-- /home/king/css | |-- /home/king/html | |-- /home/king/images | |-- /home/king/js | |-- /home/king/jsp | `-- /home/king/testdir