alias

Following are some alias to make you work faster

Alias for cd command:

alias cd..="cd .."
alias 2..="cd ../.."
alias 3..="cd ../../.."
alias 4..="cd ../../../.."
alias 5..="cd ../../../../.."

Alias for apt-get command:

alias agi='apt-get install'
alias agu='apt-get update'
alias ags='apt-cache search'
alias agsh='apt-cache show'
alias agr='apt-get remove'
alias agd='apt-get dist-upgrade'

Alias for ssh command:

alias dev="user@dev.example.com -p 8000"

Alias for df command:
```
alias df="df -TPh"
```

Alias for Port usages:

alias lsof="sudo lsof -i -P -sTCP:LISTEN"