Edited README.md

README.md

@@ -1 +1,34 @@
 # CheckIntegrity
+
+It's a simple tool for checking integrity of a file by matching checksums with given strings.
+It works with most hashing algorithms (`md5sum`,`sha1sum`,`sha256sum` etc).
+
+# Dependencies
+
+`md5sum`, `sha1sum`, `sha256sum` etc. (install only the ones you'll need).
+
+# Installation
+
+```
+git clone https://github.com/SinTan1729/CheckIntegrity
+cd CheckIntegrity
+chmod +x CheckIntegrity
+```
+
+# Usage
+
+The syntax is as follows :
+
+`CheckIntegrity algo filename hash`
+
+`algo` is the algorithm to use (e.g. md5, sha1, sha256 etc.)
+
+`filename` is the relative/full path to file
+
+`hash` is the given hash to match with
+
+### _You might buy me a cup of coffee:_
+
+**UPI (preferred) : sayantan.santra@paytm**
+
+**PayPal : sayantan.santra689@gmail.com**