einfo:tldr:4355f

The command "einfo -db ${protein} -links" is used to retrieve information about a specific database in the Entrez system and display the available links related to that database.

Here's a breakdown of the command:

• "einfo" is a command-line utility provided by the Entrez Direct package, which is a set of software tools for accessing the Entrez system.
• "-db" is a flag used to specify the database of interest. In this case, "${protein}" is a placeholder variable that should be replaced with the actual name of the protein database you want to retrieve information about. For example, if you want information about the protein database called "ProteinBank", the command would be "einfo -db ProteinBank -links".
• "-links" is a flag used to specify that you want to display the available links related to the specified database. These links can provide additional information or allow you to navigate to related databases.

By executing this command, the system will return information about the specified protein database, including the available links associated with it.