einfo

Provides the number of records indexed in each database field, the last update date of the database, and the available links from the database to other Entrez databases. More information: https://www.ncbi.nlm.nih.gov/books/NBK179288/.

• Print all database names:

einfo -dbs

• Print all information of the protein database in XML format:

einfo -db protein

• Print all fields of the nuccore database:

einfo -db nuccore -fields

• Print all links of the protein database:

einfo -db protein -links