rewrite init to restart failed processes, add file renaming, directory creation, directory renaming, directory removal, add process killing, unify shells, readme changes.

code/kernel/ke_process.h

@@ -77,5 +77,7 @@ OBJECT* KeLookupHandle(PROCESS* process, uint32_t handle);
 /* Return the global process list head (kernel-internal). */
 LIST_ENTRY* KeGetProcessList(void);
 PROCESS*    KeGetCurrentProcess(void);
+/* Copy a snapshot of process IDs into caller-provided storage. */
+size_t      KeCopyProcessIds(uint32_t* pidsOut, size_t maxCount);
 /* Find a live process by its ProcessId. Bumps refcount; caller must ObDereferenceObject. */
 PROCESS*    KeGetProcessById(uint32_t pid);