From dabf0ab98fcbaa097bd32da365fc2f3737fc4ac3 Mon Sep 17 00:00:00 2001
From: samirm00 <sammoham.be@gmail.com>
Date: Tue, 5 Mar 2024 05:43:46 +0100
Subject: [PATCH] add how bash process commands

---
 03-how-bash-process-commands/01.sh | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/03-how-bash-process-commands/01.sh b/03-how-bash-process-commands/01.sh
index 3f2642b..29720d4 100644
--- a/03-how-bash-process-commands/01.sh
+++ b/03-how-bash-process-commands/01.sh
@@ -3,5 +3,12 @@
 # Author: Samir M.
 # Date: 2024-03-04
 # Modified: 2024-03-04
-# Description: Brace expansion
-# Usage: ./01.sh
\ No newline at end of file
+# Description: How bash processes command lines
+# Usage: ./01.sh
+
+
+# Bash goes through 5 steps to interpret a command line.
+
+# Step 1: Tokenisation:
+# The command line is broken into tokens. Tokens are the smallest units of a command line.
+# Tokens are separated by metacharacters, such as spaces, tabs, and newlines, | ; & ( ) < >.