more descriptive README

README.md

@@ -1,10 +1,22 @@
-# Statesnap
-Ever had to reboot server you don't know well and were anxoious about whether all services will startup?
-This script might help by snaping state of things such as:
+# statesnap
+- It's your first login to server as admin and need small/fast system inventory?
+- Not sure which services to expect to come up after reboot?
+- Want to know what changed after a restart?
+
+If any of the above questions is true for you, this script might just be right for you.
+
+## how?
+statesnap.sh simply records output of commands such as ss, ps, ip and iptables with timestamp . This allows diff view of last recorded 'snap' compared to current situation. It provides information about:
 - List of unique processes names
-- List of opened TCP/UDP ports along with proces name
-- Firewall rules dump
+- List of opened TCP/UDP ports along with process name
+- Firewall rules
 - Routing table 
 - Mount points
 
-After restart, you can use the script to view color diff's of latest snaps made, making it easy to find out what isn't working or missing.
+## usage
+> ./statesnap.sh 
+> Usage: ./statesnap.sh [command]...
+> 
+>    snap   - Make server status snapshot
+>    diff   - Make a diff comparison against latest snapshot
+>    clear  - Delete all previous snapshots