Initial data commit

Task/Fork/Tcl/fork.tcl

@@ -0,0 +1,19 @@
+package require Expect
+# or
+package require Tclx
+
+for {set i 0} {$i < 100} {incr i} {
+    set pid [fork]
+    switch $pid {
+        -1 {
+            puts "Fork attempt #$i failed."
+        }
+        0 {
+            puts "I am child process #$i."
+            exit
+        }
+        default {
+            puts "The parent just spawned child process #$i."
+        }
+    }
+}