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| Newer page: | version 4 | Last edited on Thursday, October 11, 2007 8:13:19 pm | by MartinJerabek | |
| Older page: | version 3 | Last edited on Tuesday, January 2, 2007 10:06:50 pm | by LawrenceDoliveiro | Revert |
@@ -9,9 +9,9 @@
* If the parent should terminate before the child, the child is given a new parent, the InitProcess.
!! ProcessGroup
-A ''process group'' is a set of processex
all sharing the same ''process group ID''. This is the ID of the process that created the group. Typically a shell will create a new process group for all processes that are part of a single shell ''pipeline''.
+A ''process group'' is a set of processes
all sharing the same ''process group ID''. This is the ID of the process that created the group. Typically a shell will create a new process group for all processes that are part of a single shell ''pipeline''.
Process groups are used to arbitrate access to the ControllingTerminal; to avoid user confusion processes currently in the ''foreground'' process group are the only ones allowed to read from this terminal (the assumption is they are all cooperating on the same task), while those in other process groups are blocked from doing so.
E.g. consider the following shell command:
