- Manage User’s Groups: create, delete, rename, add/remove users inside. by user group admin. In this case, a user's group can be owned by several people thru an owner user's group. Some refactoring of naming, permission handling logic. - remove some code duplicity as well as inconsistent naming

ps -eo size,pid,user,command --sort -size | awk '{ hr=$1/1024 ; printf("%13.2f Mb ",hr) } { for ( x=4 ; x<=NF ; x++ ) { printf("%s ",$x) } print "" }'|grep [p]aster