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-rw-r--r--Documentation/cgroups.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/cgroups.txt b/Documentation/cgroups.txt
index 824fc027447..d9014aa0eb6 100644
--- a/Documentation/cgroups.txt
+++ b/Documentation/cgroups.txt
@@ -390,6 +390,10 @@ If you have several tasks to attach, you have to do it one after another:
...
# /bin/echo PIDn > tasks
+You can attach the current shell task by echoing 0:
+
+# echo 0 > tasks
+
3. Kernel API
=============