Instfix

instfix coomand is used to install a fix or set of fixes. It is also used to find out if a fix is installed on a system.

To find out whether a Fix is installed or not

 # instfix -i -k <APAR Number>

To list all the fixes that are installed on your system

 # instfix -i -v 

To list filesets which are lesser than the specified maintenance level

 # instfix -ciqk 5100-04_AIX_ML | grep ":-:"

To install all filesets associated with fix Ix38794 from the tape

 # instfix  -k Ix38794  -d /dev/rmt0

To Display the entire list of fixes present on the media

 # instfix -T -d /dev/cd0

To confirm the AIX preventive maintenance level on your system

 # instfix -i | grep ML
 All filesets for 5.0.0.0_AIX_ML were found.
 All filesets for 5.1.0.0_AIX_ML were found.
 All filesets for 5.1.0.0_AIX_ML were found.
 All filesets for 5100-01_AIX_ML were found.
 All filesets for 5100-02_AIX_ML were found.