Hi every one i am using postgresql database for my project which is built in codeigniter , now i want to backup and restore my database through php by using pg_dump, pg_restore and psql , i don't know where to run manually these command so that i can check it manually from command line, i have search many site but all of them are telling about the command, they aren't saying about what to install and how to run the command and also how to run in php in windows environment.