Final Useful linux alias

#Mayank's Final Alias. Mayank@  IITGuwahati. Thankyou various websites, google, forums, posts :)
#Default editor is Sublime with executable subl . you can change that !
#alias cp="cp -i"                          # confirm before overwriting something
#alias grep='grep --color=tty -d skip'
#alias in='yaourt --noconfirm'
#alias l='ls -lBohc'
#alias rs='rsync -avz --progress --fuzzy -e "ssh"'
#alias text='gedit &'
alias ....='cd ../../../../'
alias ...='cd ../../../'
alias ..='cd ..'
alias .4='cd ../../../../'
alias .5='cd ../../../../..'
alias a='echo "------------Your aliases------------";alias'
alias c='cd /run/media/u/'
alias cd..='cd ..'
alias cdd='cd ~/Desktop'
alias cddoc='cd ~/Documents'
alias cddown='cd ~/Downloads'
alias cdm='cd ~/Music'
alias cdv='cd ~/Videos'
alias chr='chmod 644'
alias chx='chmod 755'
alias c=clear
alias d='python2.7 /usr/local/bin/d.py &'
alias df="df -Th --total"
alias du="du -ach | sort -h"
alias e='exit'
alias egrep='egrep --color=auto'
alias explore='nautilus .'
alias fgrep='fgrep --color=auto'
alias fhere="find . -name "
alias free="free -mt"
alias freemem='sync && echo 3 | sudo tee /proc/sys/vm/drop_caches'
alias g='git'
alias go=gnome-open
alias grep='grep --color=auto'
alias h='history'
alias historyc='history | cut -c 8-'
alias hs='history | grep -i $1'
alias i='sudo apt-get install '
alias init0='sudo shutdown –h now'    #requires root password, disable it by "sudo chmod u+s /sbin/shutdown"
alias iy='sudo apt-get install -y'
alias k='killall chrome firefox thunderbird -q'
alias l='ls --group-directories-first --time-style=+"%d.%m.%Y %H:%M" --color=auto -F'
alias la='ls -lah --group-directories-first --time-style=+"%d.%m.%Y %H:%M" --color=auto -F'
alias ldir='ls -l | grep ^d'
alias ll='ls -lh --group-directories-first --time-style=+"%d.%m.%Y %H:%M" --color=auto -F'
alias lla='ll -A' # hidden
alias lock='gnome-screensaver-command --lock'
alias ls='ls --group-directories-first --time-style=+"%d.%m.%Y %H:%M" --color=auto -F'
alias lsl="ls -lhFA | less"
alias mkdir="mkdir -pv"
alias mount='mount |column -t'
alias pdfcrop='pdfcrop --margins "2  2  2 2" '
alias ps="ps auxf"
alias psg='ps aux | grep -i $1'
alias q='exit'
alias reboot='sudo reboot'      #requires root password, disable it by "sudo chmod u+s /sbin/shutdown"
alias restart='sudo poweroff'      #requires root password, disable it by "sudo chmod u+s /sbin/shutdown"
alias r='sudo reboot'      #requires root password, disable it by "sudo chmod u+s /sbin/shutdown"
alias rmf='rm -rf'
alias rsd='rsync -avz --progress --delete-after --fuzzy -e "ssh"'
alias s='subl'
alias sa='source ~/.bashrc;echo "Bash aliases sourced."'
alias se='apt-cache search '
alias search='apt-cache search '
alias shutdown='sudo shutdown –h now'    #requires root password, disable it by "sudo chmod u+s /sbin/shutdown"
alias sl="ls"
alias so='source ~/.bashrc'
alias suexplore='sudo nautilus .'
alias suspend='sudo pm-suspend'
alias sutext='gksudo gedit &'
alias svim='sudo vim'
alias text='subl &'
alias tgz='tar -zxvf'
alias top="htop"
alias topf='find . -type f -print0 | xargs -0 du -h | sort -hr | head -n 100'
alias try='gnome-open'
alias unrar='rar e'
alias up='sudo apt-get update'
alias update='sudo apt-get update'
alias wget="wget -c"
alias x='localc'
alias z='sudo ' # the space allows for command name expansion.

#Let's start off by demonstrating an extremely useful bash function. This one will create a directory and then immediately move into that directory. This is usually exactly the sequence we take when making new directories:

mcd () {
    mkdir -p $1
    cd $1
}

function ex {
 if [ -z "$1" ]; then
    # display usage if no parameters given
    echo "Usage: extract <path/file_name>.<zip|rar|bz2|gz|tar|tbz2|tgz|Z|7z|xz|ex|tar.bz2|tar.gz|tar.xz>"
 else
    if [ -f $1 ] ; then
        # NAME=${1%.*}
        # mkdir $NAME && cd $NAME
        case $1 in
          *.tar.bz2)   tar xvjf $1    ;;
          *.tar.gz)    tar xvzf $1    ;;
          *.tar.xz)    tar xvJf $1    ;;
          *.lzma)      unlzma $1      ;;
          *.bz2)       bunzip2 $1     ;;
          *.rar)       unrar x -ad $1 ;;
          *.gz)        gunzip $1      ;;
          *.tar)       tar xvf $1     ;;
          *.tbz2)      tar xvjf $1    ;;
          *.tgz)       tar xvzf $1    ;;
          *.zip)       unzip $1       ;;
          *.Z)         uncompress $1  ;;
          *.7z)        7z x $1        ;;
          *.xz)        unxz $1        ;;
          *.exe)       cabextract $1  ;;
          *)           echo "extract: '$1' - unknown archive method" ;;
        esac
    else
        echo "$1 - file does not exist"
    fi
fi
}


myinfo () {
  printf "CPU: "
  cat /proc/cpuinfo | grep "model name" | head -1 | awk '{ for (i = 4; i <= NF; i++) printf "%s ", $i }'
  printf "\n"

  cat /etc/issue | awk '{ printf "OS: %s %s %s %s | " , $1 , $2 , $3 , $4 }'
  uname -a | awk '{ printf "Kernel: %s " , $3 }'
  uname -m | awk '{ printf "%s | " , $1 }'
  if ! type "kded4" > /dev/null; then
    echo -n ""
  else
    kded4 --version | grep "KDE Development Platform" | awk '{ printf "KDE: %s", $4 }'
  fi
  printf "\n"
  uptime | awk '{ printf "Uptime: %s %s %s", $3, $4, $5 }' | sed 's/,//g'
  printf "\n"
  cputemp | head -1 | awk '{ printf "%s %s %s\n", $1, $2, $3 }'
  cputemp | tail -1 | awk '{ printf "%s %s %s\n", $1, $2, $3 }'
  #cputemp | awk '{ printf "%s %s", $1 $2 }'
}


#Use it as dp N, where N is 1, 2 or 3.
dp () {
  if [[ $1 -eq "1" || $# -eq "0" ]]; then
    PS1="\033[01;32m$\033[00m "
  elif [[ $1 -eq "2" ]]; then
    PS1="${debian_chroot:+($debian_chroot)}\w\033[01;32m$\033[00m "
  elif [[ $1 -eq "3" ]]; then
    PS1="\033[01;32m\u@\H:${debian_chroot:+($debian_chroot)}\w\033[01;32m$\033[00m "
  fi
  return;
}