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To look up CPU and memory information on AIX 7.2, you can use the following commands:

1. Check CPU information

• To get a detailed report on the processors in the system, use the command:

  lscfg -vp | grep -i proc
  

  This will list the processor details.

• You can also use the command:

  lsdev -Cc processor
  

  This command will list all processors and their statuses.

• For additional CPU details (like the number of processors, cores, etc.), use:

  lparstat -i
  

  This will display logical partitioning (LPAR) information, including the number of virtual CPUs (vCPUs) and processing units.

• You can also use:

  mpstat
  

  This will give you a snapshot of CPU usage across different processors.

2. Check Memory information

• To view total memory and free memory:

  lsattr -El sys0 | grep realmem
  

  This will show the physical memory (in KB) of your system.

• For detailed memory usage statistics:

  svmon -G
  

  This provides a more comprehensive view of memory usage, including real, virtual, and free memory.

• To display additional memory-related stats (like swap):

  vmstat -v
  

  This gives information about memory, paging, and disk I/O.

These commands will help you check both the CPU and memory specifications on your AIX 7.2 system.