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About AIX

        AIX (Advanced Interactive eXecutive, pronounced "a i ex") is a series of proprietary Unix operating systems developed and sold by IBM for several of its computer platforms. Originally released for the IBM 6150 RISC workstation, AIX now supports or has supported a wide variety of hardware platforms, including the IBM RS/6000 series and later IBM POWER and PowerPC-based systems, IBM System i, System/370 mainframes, PS/2 personal computers, and the Apple Network Server. AIX is based on UNIX System.

      AIX was the first operating system to utilize journalling file systems,and has provided several other innovations in operating system design.

POWER/PowerPC-based systems

The release of AIX version 3 (sometimes called AIX/6000) coincided with the announcement of the first IBM RS/6000 models. The RS/6000 was unique in that it not only outperformed all other machines in integer compute performance

User interfaces

 System Management Console

      SMIT is the System Management Interface Tool for AIX. It allows a user to navigate a menu hierarchy of commands, rather than using the command line. Invocation is typically achieved with the command smit. Experienced system administrators make use of the F6 function key which generates the command line that SMIT will invoke to complete the proposed task.

     SMIT also generates a log of commands that are performed in the smit.scriptsmit.script file automatically records the commands with the command flags and parameters used. The smit.script file can be used as an executable shell script to rerun system configuration tasks. SMIT also creates the smit.log file, which contains additional detailed information.

       The smit and smitty refer to the same program, though smitty invokes the text-based version, while smit will invoke an X Window System based interface if possible;