extended code to advanced input functionality

OS/C/theory/sync/semaextraposts.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include <pthread.h>
+#include <semaphore.h>
+#include <sys/semaphore.h>
+
+sem_t my_semaphore;
+
+int main(){
+    sem_init(&my_semaphore, 0, 5);
+    int sem_val;
+    sem_getvalue(&my_semaphore, &sem_val);
+    printf("Semaphore value after extra posts: %d\n", sem_val);
+
+    sem_post(&my_semaphore);
+    sem_post(&my_semaphore);
+    sem_post(&my_semaphore);
+
+    sem_getvalue(&my_semaphore, &sem_val);
+    printf("Semaphore value after extra posts: %d\n", sem_val);
+
+    sem_destroy(&my_semaphore);
+    return 0;
+}

OS/bash/progcheck/solenhanced.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+folder="$@"
+
+for j in $folder
+do
+echo "Checking $j"
+
+x=`find "$j" -type f -iname "[!aeiou]*"`
+
+for i in $x
+do
+    echo "$i"
+done
+done
+
+# This script takes a folder name as a CLI argument and then lists all files that do not begin with a vowel (in filename)