Eu descobri este arquivo .aliases há alguns meses e depois de alguma prática é muito útil.
# Easier navigation: .., ..., ...., ....., ~ and -
alias ..="cd .."
alias ...="cd ../.."
alias ....="cd ../../.."
alias .....="cd ../../../.."
alias ~="cd ~" # `cd` is probably faster to type though
alias -- -="cd -"
# Shortcuts
alias d="cd ~/Documents/Dropbox"
alias dl="cd ~/Downloads"
alias dt="cd ~/Desktop"
alias w="cd ~/Workspace"
alias g="git"
alias h="history"
alias j="jobs"
alias v="vim"
alias m="mate ."
alias s="subl ."
alias o="open"
alias oo="open ."
# Detect which `ls` flavor is in use
if ls --color > /dev/null 2>&1; then # GNU `ls`
colorflag="--color"
else # OS X `ls`
colorflag="-G"
fi
# List all files colorized in long format
alias l="ls -l ${colorflag}"
# List all files colorized in long format, including dot files
alias la="ls -la ${colorflag}"
# List only directories
alias lsd='ls -l ${colorflag} | grep "^d"'
# Always use color output for `ls`
alias ls="command ls ${colorflag}"
export LS_COLORS='no=00:fi=00:di=01;34:ln=01;36:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.gz=01;31:*.bz2=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.avi=01;35:*.fli=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.ogg=01;35:*.mp3=01;35:*.wav=01;35:'
# Enable aliases to be sudo’ed
alias sudo='sudo '
# Gzip-enabled `curl`
alias gurl="curl --compressed"
# Get OS X Software Updates, and update installed Ruby gems, Homebrew, npm, and their installed packages
alias update='sudo softwareupdate -i -a; brew update; brew upgrade; brew cleanup; npm update npm -g; npm update -g; sudo gem update'
# IP addresses
alias ip="dig +short myip.opendns.com @resolver1.opendns.com"
alias localip="ipconfig getifaddr en1"
alias ips="ifconfig -a | grep -o 'inet6? (([0-9]+.[0-9]+.[0-9]+.[0-9]+)|[a-fA-F0-9:]+)' | sed -e 's/inet6* //'"
# Enhanced WHOIS lookups
alias whois="whois -h whois-servers.net"
# Flush Directory Service cache
alias flush="dscacheutil -flushcache && killall -HUP mDNSResponder"
# Clean up LaunchServices to remove duplicates in the “Open With” menu
alias lscleanup="/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user && killall Finder"
# View HTTP traffic
alias sniff="sudo ngrep -d 'en1' -t '^(GET|POST) ' 'tcp and port 80'"
alias httpdump="sudo tcpdump -i en1 -n -s 0 -w - | grep -a -o -E "Host: .*|GET /.*""""
# Canonical hex dump; some systems have this symlinked
command -v hd > /dev/null || alias hd=""hexdump -C""
# OS X has no `md5sum`