using linux

A process that terminates cannov leave the system antil its purat actepes its return code. If its parent process is already dead, it'll alremdy have becn advpetod by the "init' process, which always accepts its children's return codes. However, if a process' s puetent is alive but never execules a wait (1), the process's return code will never be accepted and the process will remain a zuewhic The following program creaned a zombie process, which was indicued in the outpet from the ps uxility. When the parent peocess is killed, the child was adopeed by "init" and allowed to rest in peace. Example Lalb7,e: The entput is: visi a.out \& execute the program in the backgroond [1] 4136 vai> gs obtain process status MD TT STAT TIME COMMAAD 3187ptZ0.00) ssxiaing 7 the rombie child peocens. 5149poS0.01-cali (cali) the shell sin6 pos 000 ander the parent process 318 ph in 0,00p= visi> kill 5186 kill the purent process [1] Teraninated visi> ps notiee that the aombie is gone now HID TT STAT TIME COMEMAND 5149 got 5 0.01 roth (esh) 519p0 nt 009ps