FreeBSD Bourne Shell Tricks

Bourne shell is default shell for user account in FreeBSD. You can control settings through the following configuration files:

~/.shrc - user specific settings
/etc/profile - global settings

Color Prompt: display hostname in green color for shell prompt (read more here):

# vi ^[: ctrl+v and then Esc
#PS1="^[[32m$^[[0m "
PS1="^[[1;32m`whoami`@\h ^[[34m\W ^[[0m$ "

List directories in color:

alias ls='ls -G'

Color case insensitive grep:

export GREP_OPTIONS='-i --color=auto'