Respuesta :
Use /etc/security/limits.conf file to limit amount of concurrent logins for a specific user.
Use the /etc/security/limits.conf record to restrict aid use for all packages. That is from the pam_limits module of the Plugable Authentication Modules (PAM) module set. Entries in /etc/security/limits.conf comprise the subsequent: Entity type limit value.
A pluggable authentication module (PAM) is a mechanism to combine multiple low-level authentication schemes right into an excessive-stage Application programming interface (API). PAM allows applications that depend on authentication to be written independently of the underlying authentication scheme.
A module is a software program component or a part of an application that includes one or greater routines. One or more independently developed modules make up an application. A company-level software application may contain numerous one-of-a-kind modules, and each module serves unique and separate business operations.
Learn more about the Application programming interface here brainly.com/question/12987441
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