EBench? is used in teaching NCBI's PowerScripting workshop and is not supported as an application program.

EBench

E-Utility to call [http://eutils.ncbi.nlm.nih.gov/entrez/eutils/*.fcgi?]
Esearch Epost Esummary Efetch Elink Einfo Egquery Espell
Query [term] (use "+"'s instead of spaces)
UIDs [id] (integers; non-digit separators allowed)
Database [db]
Database From [dbfrom]

E-Link UIDs one-to-one

Use History [use_history]

Query Key (In term, use %23 for #) [query_key]

Web Environment [WebEnv]

First Record to retrieve [retstart]:

Maximum # of records [retmax]
Output Format [retmode]
default XML TEXT HTML ASN.1
Output Type [rettype]
Post URL Build URL

Complexity [complexity]:

Strand [strand]
Minus [1] Plus [2]
Subsequence Specification
Start [seq_start] Stop [seq_stop]