tldr/pages/linux/einfo.md

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# einfo
> Provides the number of records indexed in each field of a given database, the date of the last update 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`