3.3 Operations on Processes 3.3.1 Process Creation. Processes may create other processes through appropriate system calls, such as fork or spawn. The process which does the creating is termed the parent of the other process, which is termed its child. Each process is given an integer identifier, termed its process identifier, or PID. The parent PID ( PPID ) is also stored for each process.
Definition - What does Electronic Ink (E Ink) mean? Electronic Ink (E Ink) is a proprietary electrophoretic technology and electronic paper display (EPD) patented by E Ink Corporation. E Ink technology is used in mobile devices, such as e-readers, mobile devices, smartphones, smart cards and watches. E Ink is primarily used in digital e-readers. Most digital books use grayscale and rarely use color.
Iron Gall Ink. Iron gall ink was in popular use from about the 12th century up until new technologies made it obsolete in the 19th century. It was easily made at home and it was permanent, which explains its popularity.When first applied the ink is a light brown or sepia color, but as it dries it turns purplish-black.ere is some background information on Iron Gall Ink. Iron Gall Ink was used so frequently and so commonly throughout history that it is a part of many valuable collections.