Open last modified file in vim
alias Vim="vim `ls -t | head -1`"
Find top 5 big files
alias findbig="find . -type f -exec ls -s {} \; | sort -n -r | head -5"
Grep for a bash process
alias psg="ps -aux ¦ grep bash"
List including hidden files with indicator and color
alias ls=’ls -aF –color=always’
List in long format
alias ll=’ls -l’
To clear all the history and screen
alias hcl=’history -c; clear’
Make basic commands interactive, and verbose
alias cp="cp -iv" # interactive, verbose
alias rm="rm -i" # interactive
alias mv="mv -iv" # interactive, verbose
alias grep="grep -i" # ignore case