how to know the killed process?

hi,

we are using userid in common (entire team).

when i login and when i give ps command. i have list of process executing are displayed.i have to kill my processid.mistakenly i killed other's processId. after sometime i ran the ps command again,then i realized that my process is running and mistakenly i killed other processid.

is there any way to know which process i killed ???
so that i can restart that particular process

please help me someone in this group.

Duplicate question, locking.