diff --git a/README.md b/README.md
index 2427f77..f4a4931 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # slist
-![](https://img.shields.io/github/release/GovTechSG/slist.svg?style=flat)
+![version](https://img.shields.io/github/release/GovTechSG/slist.svg?style=flat)
 
 slist is a tool to list your servers in ssh config and ssh into it.<br/>
 This only works on Unix machines.<br/>
@@ -7,7 +7,8 @@ slist aims to solve the problem of users having to remember aliases or IP addres
 slist reads the aliases in the ~/.ssh/config file and list them in the terminal.
 
 ## Setting it up
-```
+
+```bash
 cd <path_of_choice>
 git clone https://github.com/GovTechSG/slist.git
 chmod +x slist.sh
@@ -17,26 +18,31 @@ slist
 ```
 
 ## License
-This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details
 
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details
 
 ## Screenshots
+
 ![Optional Text](../master/screenshots/slist.png)
 ![Optional Text](../master/screenshots/filter.png)
 
 ## Usage
+
 Usage: slist [-fhl]
              [--add-host host_name --ip-adr ip_address [--ssh-user user --port port_number --keypath keyname_with_path]]
              [--del-host host_name]
-```
+
+```bash
 -f <keyword>                    Keyword to filter
 -h                              Display help
 -l                              List servers with ip addresses
 -l -f <keyword>                 Filter list work <keyword>
+-e                              Open and edit ~/.ssh/config
 --add-host <host_name>          Add a new host to the SSH config file. Must be used together with --ip-adr option
 --ip-adr <ip_address>           Add a new IP address to the SSH config file. Must be used together with --add-host option
 --ssh-user <user>               Add a new SSH user to SSH config file. Must be used together with --add-host and --ip-adr options
 --port <port_number>            Add a new port number to SSH config file. Must be used together with --add-host and --ip-adr options
 --keypath <keyname_with_path>   Add a new key file to SSH config file. Must be used together with --add-host and --ip-adr options
 --del-host <host_name>          Delete a host from the SSH config file
+--config-file                   To use other config file
 ```
diff --git a/slist.sh b/slist.sh
index 06820a7..1b67ce5 100755
--- a/slist.sh
+++ b/slist.sh
@@ -26,6 +26,10 @@ Usage: slist [-hl]|[-f <keyword>]
 -h                            Display help
 -l                            List servers with ip addresses
 -l -f <keyword>               Filter list work <keyword>
+-e                            Open ~/.ssh/config
+
+Using other conf instead of default ~/.ssh/conf
+Usage: slist --config-file /tmp/config
 
 Adding new host to ssh config
 Usage: slist --add-host <host name> --ip-adr <ip address> --ssh-user <user> --port <port number> --keypath < keyname with path >
@@ -202,7 +206,7 @@ check_config_file_exists(){
 # Function to check if last line of conf is empty
 check_last_line(){
   last_line=$(tail -1 ${config_file})
-  if [ ! -z "$last_line" ]; then
+  if [ -n "$last_line" ]; then
       echo "" >> "$config_file"
   fi
 }
@@ -221,15 +225,6 @@ check_host_exists(){
   done
 }
 
-# Start of slist
-check_config_file_exists
-
-# Loading main slist page if no argument found
-if [ $# -eq 0 ]; then
-    clear
-    main
-fi
-
 # Function to check if argument is nil
 check_arg(){
     val="$1"
@@ -238,6 +233,8 @@ check_arg(){
     fi
 }
 
+# Start of slist
+check_config_file_exists
 
 list=false
 filter=false
@@ -251,16 +248,26 @@ ssh_user=false
 port=false
 key_path=false
 
-while getopts ':hlf:-:' c
+while getopts ':hlef:-:' c
 do
   case $c in
     -)
       case "$OPTARG" in
+        config-file)
+          configfile=true
+          val="${!OPTIND}"; OPTIND=$(( OPTIND + 1 ))
+          # Exit program if host is empty
+          if [[ $value == "false" ]]; then
+            printf "%s\n" "${red}Host cannot be empty ${end}"
+            exit 1
+          fi
+          config_file=$val
+          ;;
         add-host)
           add_host=true
           val="${!OPTIND}"; OPTIND=$(( OPTIND + 1 ))
           check_arg "$val"
-          # Exist program if host is empty
+          # Exit program if host is empty
           if [[ $value == "false" ]]; then
             printf "%s\n" "${red}Host cannot be empty ${end}"
             exit 1
@@ -326,6 +333,9 @@ do
       filter=true
       keyword=$OPTARG
       ;;
+    e)
+      edit=true
+      ;;
     *)
       echo "Invalid parameter!"
       echo ""
@@ -333,9 +343,17 @@ do
       ;;
   esac
 done
- 
+
+# Loading main slist page if no argument found
+if [ $# -eq 0 ] || [[ $configfile == "true" && $3 == "" ]]; then
+    clear
+    main
+fi
+
 if [[ $help == "true" ]]; then
     help
+elif [[ $edit == "true" ]]; then
+    vi ~/.ssh/config
 elif [[ $add_host == "true" ]] && [[ $del_host == "true" ]]; then
     printf "%s\n" "${red}--add-host and --del-host cannot be use at the same time ${end}"
     exit 3