diff --git a/.bash_profile b/.bash_profile
index f861f7b..0f149bd 100644
--- a/.bash_profile
+++ b/.bash_profile
@@ -1,4 +1,3 @@
-[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"
 
 [[ -f ~/.bashrc ]] && . ~/.bashrc
 
@@ -52,6 +51,18 @@ fi
 ### Added by the Heroku Toolbelt
 export PATH="/usr/local/heroku/bin:$PATH"
 
+function repeat() {
+  local count=$1;
+  shift;
+
+  echo "running '$@' for $count times"
+
+  for i in  $(eval echo "{1..$count}")
+  do
+    $@ || break
+  done
+}
+
 export NVM_DIR="/Users/sg0221754/.nvm"
 [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"  # This loads nvm
 
@@ -84,5 +95,15 @@ function truncate_logs()
 }
 
 test -e "${HOME}/.iterm2_shell_integration.bash" && source "${HOME}/.iterm2_shell_integration.bash"
-#if [ -e /Users/sg0221754/.nix-profile/etc/profile.d/nix.sh ]; then . /Users/sg0221754/.nix-profile/etc/profile.d/nix.sh; fi # added by Nix installer
+
+export LESS_TERMCAP_mb=$'\e'"[1;31m"
+export LESS_TERMCAP_md=$'\e'"[1;31m"
+export LESS_TERMCAP_me=$'\e'"[0m"
+export LESS_TERMCAP_se=$'\e'"[0m"
+export LESS_TERMCAP_so=$'\e'"[1;44;33m"
+export LESS_TERMCAP_ue=$'\e'"[0m"
+export LESS_TERMCAP_us=$'\e'"[1;32m"
+#if [ -e "${HOME}/.nix-profile/etc/profile.d/nix.sh" ]; then . "${HOME}/.nix-profile/etc/profile.d/nix.sh"; fi # added by Nix installer
+
+[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm" # Load RVM into a shell session *as a function*
 [ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion
diff --git a/.bashrc b/.bashrc
index 66a7baf..75d366a 100644
--- a/.bashrc
+++ b/.bashrc
@@ -36,3 +36,6 @@ battery_status()
 PS1="\h:\W \u\$ "
 
 export XML_CATALOG_FILES=/usr/local/etc/xml/catalog
+
+# Add RVM to PATH for scripting. Make sure this is the last PATH variable change.
+export PATH="$PATH:$HOME/.rvm/bin"
diff --git a/tmux.conf b/tmux.conf
index d621f72..7febe0d 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -7,6 +7,7 @@ set -g base-index 1
 setw -g pane-base-index 1
 
 bind r source-file ~/.tmux.conf \; display "Reloaded!"
+bind -r '`' clear-history \; display "History Cleared!"
 
 bind C-a send-prefix
 
@@ -29,6 +30,7 @@ bind L resize-pane -R 5
 setw -g mouse off
 
 set -g default-terminal "screen-256color"
+set -g history-limit 6000
 
 set -g window-status-attr dim
 set -g window-status-current-attr bright