diff --git a/Days/Linux/create-user.sh b/Days/Linux/create-user.sh
old mode 100644
new mode 100755
index 554d6ae..30465cc
--- a/Days/Linux/create-user.sh
+++ b/Days/Linux/create-user.sh
@@ -1,15 +1,27 @@
 #! /usr/bin/bash
+if [ -z "${1}" ]
+then 
+   echo "What is your intended username?"
+   read  username
+   echo "What is your password"
+   read  password
 
-echo "What is your intended username?"
-read  username
-echo "What is your password"
-read  password
+   #A user can be passed in as a command line argument
+   echo "$username user account being created."
 
-#A user can be passed in as a command line argument
-echo "$username user account being created."
+   #A user is created with the name of command line argument
+   sudo useradd -m $username
 
-#A user is created with the name of command line argument
-sudo useradd -m $username
+   #A password can be parsed in as a command line argument.
+   sudo chpasswd <<< $username:$password
+
+   sleep 2 
+   echo "If you want to delete the user then pass 'del' and username in command line argument. e.g: ./create-user.sh del username"
+
+else
+   sudo userdel -rf "${2}"
+   sleep 2	
+   echo "${2} user account successfully deleted."
+   exit 0
+fi
 
-#A password can be parsed in as a command line argument.
-sudo chpasswd <<< $username:$password
\ No newline at end of file
diff --git a/Days/day19.md b/Days/day19.md
index c9a7c30..2727f20 100644
--- a/Days/day19.md
+++ b/Days/day19.md
@@ -152,7 +152,7 @@ We might also use bash scripting to determine information about files and folder
 - `-d file` True if the file is a directory
 - `-e file` True if the file exists
 - `-f file` True if the provided string is a file 
-- `g file` True if the group id is set on a file
+- `-g file` True if the group id is set on a file
 - `-r file` True if the file is readable
 - `-s file` True if the file has a non-zero size