Determining the version of the operating system (OS) running on an AIX system is a crucial task for system administrators and users alike. The OS version provides information about the system’s capabilities, installed updates, and potential security vulnerabilities. There are several methods to check the OS version on AIX, each offering a slightly different level of detail and context.
One of the simplest and most direct methods to check the OS version is to use the “oslevel” command. This command displays the OS version, release level, and maintenance level in a concise format. For example, running the following command will output the OS version: