_

.bashrc

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+# /etc/bash/bashrc
+#
+# This file is sourced by all *interactive* bash shells on startup,
+# including some apparently interactive shells such as scp and rcp
+# that can't tolerate any output.  So make sure this doesn't display
+# anything or bad things will happen!
+
+# Return immediately for non-interactive shells (scp, rcp etc.)
+if [[ $- != *i* ]] ; then
+	# Shell is non-interactive.  Be done now!
+	return
+fi
+
+# Shell options
+shopt -s checkwinsize        # Update window size after each command
+shopt -s globstar 2>/dev/null  # Enable ** recursive globbing
+shopt -s no_empty_cmd_completion  # Disable completion on empty line
+
+# History settings
+shopt -s histappend          # Append to history instead of overwriting
+shopt -s cmdhist # Save multi-line commands as one command
+PROMPT_COMMAND='history -a'  # Record each line as it gets issued
+HISTSIZE=500000
+HISTFILESIZE=100000
+HISTCONTROL="erasedups:ignoreboth"
+export HISTIGNORE="&:[ ]*:exit:ls:bg:fg:history:clear"
+HISTTIMEFORMAT='%F %T '
+bind '"\e[A": history-search-backward'
+bind '"\e[B": history-search-forward'
+bind '"\e[C": forward-char'
+bind '"\e[D": backward-char'
+
+# Change the window title of X terminals 
+case ${TERM} in
+	[aEkx]term*|rxvt*|gnome*|konsole*|interix|tmux*)
+		PS1='\[\033]0;\u@\h:\w\007\]'
+		;;
+	screen*)
+		PS1='\[\033_\u@\h:\w\033\\\]'
+		;;
+	*)
+		unset PS1
+		;;
+esac
+
+PROMPT_DIRTRIM=2
+
+# Color support
+use_color=false
+if type -P dircolors >/dev/null; then
+    LS_COLORS=
+    if [[ -f ~/.dir_colors ]]; then
+        eval "$(dircolors -b ~/.dir_colors)"
+    elif [[ -f /etc/DIR_COLORS ]]; then
+        eval "$(dircolors -b /etc/DIR_COLORS)"
+    else
+        eval "$(dircolors -b)"
+    fi
+
+    [[ -n ${LS_COLORS:+set} ]] && use_color=true || unset LS_COLORS
+else
+    case ${TERM} in
+        [aEkx]term*|rxvt*|gnome*|konsole*|screen|tmux|cons25|*color)
+            use_color=true
+            ;;
+    esac
+fi
+
+if ${use_color}; then
+    if [[ ${EUID} == 0 ]]; then
+        PS1+='\[\033[01;31m\]\h\[\033[01;34m\] \w \$\[\033[00m\] '  # root
+    else
+        PS1+='\[\033[01;32m\]\u@\h\[\033[01;34m\] \w \$\[\033[00m\] '  # normal user
+    fi
+
+    #BSD#@export CLICOLOR=1
+    alias ls='ls --color=auto'
+    alias grep='grep --colour=auto'
+else
+    PS1+='\u@\h \w \$ '
+fi
+
+# Additional features
+bind Space:magic-space # Enable history expansion with space
+bind "set completion-ignore-case on" # Perform file completion in a case insensitive fashion
+bind "set completion-map-case on" # Treat hyphens and underscores as equivalent
+bind "set show-all-if-ambiguous on" # Display matches for ambiguous patterns at first tab press
+bind "set mark-symlinked-directories on" # Immediately add a trailing slash when autocompleting symlinks to directories
+
+# Source additional configs
+for sh in /etc/bash/bashrc.d/*; do
+    [[ -r ${sh} ]] && source "${sh}"
+done
+
+# Try to keep environment pollution down, EPA loves us.
+unset use_color sh