Change name to the help program.

programs/CMakeLists.txt

@@ -74,7 +74,8 @@ set(PROGRAMS
     ipcrm.c
     ipcs.c
     sleep.c
-    help.c)
+    man.c
+  )
 foreach(PROGRAM ${PROGRAMS})
   # Prepare the program name.
   string(REPLACE ".c" "" PROGRAM_NAME ${PROGRAM})

programs/man.c

@@ -1,5 +1,5 @@
 ///                MentOS, The Mentoring Operating system project
-/// @file help.c
+/// @file man.c
 /// @brief Shows the available commands.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
 /// See LICENSE.md for details.