Which command allows you to retrieve various data regarding the current user process?

The command that retrieves various data regarding the current user process is "id." This command provides detailed information about the effective user ID (UID), the group ID (GID), and the groups the user is a member of. It also displays whether the user has administrative privileges, allowing system administrators to quickly check permissions and roles associated with the user account.

The command "whoami" simply returns the username of the current user, while "w" displays a list of users currently logged in along with their login times and active processes, but does not provide as comprehensive information about user and group identities. The command "userdel" is used for deleting user accounts and does not provide any data about the current user processes. This understanding of the commands highlights why "id" is the most appropriate choice for retrieving detailed user process information.