In Linux, UNIX and any other POSIX-compliant operating system, the fg command continues a stopped job by running it in the foreground.
1 Midline incision or midline laparotomy-The most common incision for laparotomy is the midline incision, a vertical incision which follows the linea alba. 2  Midline incisions are particularly favoured in diagnostic laparotomy, as they allow wide access to most of the abdominal cavity.
Definition of Midline. The midline is a horizontal axis that is used as the reference line about which the graph of a periodic function oscillates. The equation of the midline of periodic function is the average of the maximum and minimum values of the function. Figure-1 shows y = sin x and Figure-2 shows y = sin x + 1. The second curve is the first curve shifted vertically up by one unit.