Increase Font size

Hi friends

           I want increase font size in linux can anybody help me plese

Example:this is my in put
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00 18G 2.5G 14G 15% /
/dev/sda2 99M 11M 83M 12% /boot
tmpfs 506M 0 506M 0% /dev/shm

I want output like this

Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00 18G 2.5G 14G 15% /
/dev/sda2 99M 11M 83M 12% /boot
tmpfs 506M 0 506M 0%/dev/shm

I want increase size of Headers only
File system Size Used Avail Use% Mounted on

Advance Thanks To alll.......

Sorry but there is no easy way to do this.