Commands to copy file

sudo su -liferay



cp /home/hbasa/share-config-custom.xml /opt/liferay-portal-6.0-ee/tomcat-6.0.29/shared/classes/alfresco/web-extension/


file operations
vim filename
to open the file

press i to write the content

once you are done with file operation do this to save and quit
esc:q! --- To Quit the file

escape+:+w+q
To write and quit the file