ss pid

[Matrix653 /]$ ss 0
process stack show >>

        NAME          USER SIZE   USER FREE   KERN SIZE   KERN FREE
-------------------- ----------- ----------- ----------- -----------
idle                       32768       32768           *           *
idle                       32768       32768           *           *
idle                       32768       32768           *           *
idle                       32768       32768           *           *
shell_process              32768       31528           *           *
[Matrix653 /]$