diff --git a/.zshrc b/.zshrc
index fc09568..a230cf4 100644
--- a/.zshrc
+++ b/.zshrc
@@ -119,5 +119,7 @@ export MARKER_KEY_NEXT_PLACEHOLDER="\C-b"   #change maker key binding from Ctr+t
 [[ -s "$HOME/.local/share/marker/marker.sh" ]] && source "$HOME/.local/share/marker/marker.sh"
 
 
+SAVEHIST=50000      #save upto 50,000 lines in history. oh-my-zsh default is 10,000
+#setopt hist_ignore_all_dups     # dont record duplicated entries in history during a single session
 alias wip="wget -qO- https://wtfismyip.com/text"	# quickly show external ip address
 alias l="ls -lah"
diff --git a/README.md b/README.md
index a245853..f9528b4 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,13 @@
 Quickly install and setup oh-my-zsh with powerlevel9k theme, Powerline fonts, zsh-completions, zsh-autosuggestions, zsh-syntax-highlighting, history-substring-search, fzf etc.
 
 ## Installation
+Requirements:
+`wget git zsh` will be Automatically installed if not present. `python` is required to run '--cp-hist'
+
 ``` bash
 git clone https://github.com/jotyGill/quickz-sh.git
 cd quickz-sh
 ./quickz.sh
 ```
+Optionally run it with '--cp-hist' to copy command history from .bash_history to .zsh_history.
+`./quickz.sh --cp-hist  # don't run multiple times`
diff --git a/quickz.sh b/quickz.sh
index dfb69e2..23712c7 100755
--- a/quickz.sh
+++ b/quickz.sh
@@ -1,9 +1,9 @@
 #!/bin/bash
 
-if command -v zsh &> /dev/null && command -v git &> /dev/null ; then
+if command -v zsh &> /dev/null && command -v git &> /dev/null && command -v wget &> /dev/null; then
 	echo -e "ZSH and Git are already installed\n"
 else
-	if sudo apt install -y zsh git || sudo dnf install -y zsh git || sudo yum install -y zsh git || sudo brew install git zsh ; then
+	if sudo apt install -y zsh git wget || sudo dnf install -y zsh git wget || sudo yum install -y zsh git wget || sudo brew install git zsh wget ; then
 		echo -e "ZSH and Git Installed\n"
 	else
 		echo -e "Can't install ZSH or Git\n" && exit
@@ -78,10 +78,25 @@ else
 fi
 
 if ~/marker/install.py; then
-	echo -e "Installed Marker"
+	echo -e "Installed Marker\n"
 else
-	echo -e "Marker Installation Had Issues"
+	echo -e "Marker Installation Had Issues\n"
 fi
+
+
+if [[ $1 == "--cp-hist" ]]; then
+    echo -e "Copying bash_history to zsh_history\n"
+    if command -v python &>/dev/null; then
+        wget https://gist.githubusercontent.com/muendelezaji/c14722ab66b505a49861b8a74e52b274/raw/49f0fb7f661bdf794742257f58950d209dd6cb62/bash-to-zsh-hist.py
+        cat ~/.bash_history | python3 bash-to-zsh-hist.py
+    else
+        echo "Python is not installed, can't copy bash_history to zsh_history\n"
+    fi
+else
+    echo -e "Not copying history\n"
+fi
+
+
 # source ~/.zshrc
 echo -e "\nSudo access is needed to change default shell\n"