Aqui estão algumas que eu gosto:
#Opens current directory in a file explorer
alias explore='nautilus .'
#Opens current directory in a file explorer with super user privileges
alias suexplore='sudo nautilus .'
#Opens current directory in Ubuntu's Disk Usage Analyzer GUI with super user privileges in the background
alias analyze='gksudo baobab . &'
#Opens a GUI text editor in the background. Can obviously be replaced with your favorite editor
alias text='gedit &'
#Same as above with super user privileges
alias sutext='gksudo gedit &'
#Opens a file with whatever program would open by double clicking on it in a GUI file explorer
#Usage: try someDocument.doc
alias try='gnome-open'
#lists contents of current directory with file permisions
alias ll='ls -l -sort'
#list all directories in current directories
alias ldir='ls -l | grep ^d'
#self explanatory
alias ..='cd ..'
alias ...='cd ../../'
#show aliases
alias a='echo "------------Your aliases------------";alias'
#Apply changes to aliases
alias sa='source ~/.bash_aliases;echo "Bash aliases sourced."'
#Edit Aliases
alias via='gksudo gedit ~/.bash_aliases &'