Is there any difference between D, Ds and D+ status of process from the ps output
$ ps -e -o pid,stat,comm,wchan=WIDE-WCHAN-COLUMN | grep D
PID STAT COMMAND WIDE-WCHAN-COLUMN
12987 D+ du o2net_send_message_vec
I understand D stands for Disk Sleep. Want to know D+, Ds and what do they stand for?