Procedure To Add a Swap File Under Linux
You need to use the dd command to create swap file. The mkswap command is used to set up a Linux swap area on a device or in a file.
Open a terminal window (select Applications > Accessories > Terminal) or login to remote server using the ssh client. Switch to the root user by typing su - and entering the root password, when prompted
Step #2: Create Storage File
Type the following command to create 512MB swap file (1024 * 512MB = 524288 block size):
# dd if=/dev/zero of=/swapfile1 bs=1024 count=524288
Where,
