Text : "Help" Text : "override default contact information provided to NCBI when you run a program" Text : "load a file of query aliases at the beginning of a pipeline or script" File : "$doc\/NCBI\/edirect\/xtract.help" Program : "econtact" Program : "efilter" Program : "einfo" Program : "elink" Program : "epost" Program : "eproxy" Program : "esearch" Program : "nquire" Program : "xtract" Platform : "solaris-sparc" Platform : "linux-intel" Platform : "solaris-amd64" Platform : "linux-x86_64" Platform : "osx-x86_64"