aggiunto sorting (cpu, mem, pid) + pulizia finale

Author: magliocchetti

README.md

@@ -1,7 +1,7 @@
 <h1 align="center">SimpleProcessMonitor</h1>
 
 <p align="center">
-  <img width="100%" src="https://user-images.githubusercontent.com/62136803/181089867-f2475e41-0a3a-4b7c-b8f0-e2597cfdead5.jpg" alt="SimpleProcessMonitor: screenshot">
+  <img width="100%" src="https://user-images.githubusercontent.com/62136803/190913216-1330e136-27f3-41e3-a853-23a298a8693e.png" alt="SimpleProcessMonitor: screenshot">
 </p>
 
 <p align="center">SimpleProcessMonitor is a lightweight program to monitor your processes (similiar to top/htop).<br><br><a href="https://gitlab.com/grisetti/sistemi_operativi_2021_22/-/blob/main/so_2021_22_projects.txt">Project</a> for the Course of <a href="https://gitlab.com/grisetti/sistemi_operativi_2021_22">"Operating Systems"</a>, held by <a href="https://sites.google.com/dis.uniroma1.it/grisetti/home">Prof. Giorgio Grisetti</a> in the 2nd semester of the 3rd year of the Bachelor's Degree Course in Computer and System Engineering (A.Y. 2021/2022) at Sapienza University of Rome.</p>
@@ -16,22 +16,24 @@
 Outside the program (from the terminal):
 
 ```bash
-./SimpleProcessMonitor [interval <time>] [terminate <pid>] [kill <pid>] [suspend <pid>] [resume <pid>]
+./SimpleProcessMonitor [help | terminate <pid> | kill <pid> | suspend <pid> | resume <pid> | interval <time_ss> | sort <cpu|mem|pid>]
 ```
 
 Inside the program:
 
 ```
-monitor | back          - Go back to monitoring processes
-terminate               - Terminate process with pid
-kill                    - Kill process with pid
-suspend                 - Suspend process with pid
-resume                  - Resume process with pid
-interval                - Change monitoring refresh interval
-                          Measured in seconds, only integers allowed
-                          Default is 3 seconds, minimum is 1 second
-highlight               - Highlight process with pid
-unhighlight             - Unhighlight currently highlighted process
-help                    - Print help dialog
-exit | quit             - Exit program
+monitor | back                            - Go back to monitoring processes
+terminate                                 - Terminate process with pid
+kill                                      - Kill process with pid
+suspend                                   - Suspend process with pid
+resume                                    - Resume process with pid
+interval                                  - Change monitoring refresh interval
+                                            Measured in seconds, only integers allowed
+                                            Default is 3 seconds, minimum is 1 second
+highlight                                 - Highlight process with pid
+unhighlight                               - Unhighlight currently highlighted process
+sort                                      - Sort processes by cpu, mem or pid
+                                            Default is cpu
+help                                      - Print help dialog
+exit | quit                               - Exit program
 ```