Creating swap file

To create 64MB swap file on your root partition

# dd if=/dev/zero of=/swapfile bs=1024 count=65536

Set up a Linux swap area

# mkswap /swapfile

Activate the swap file

# swapon /swapfile

To activate /swapfile1 after Linux system reboot, add entry to /etc/fstab file:

# vi /etc/fstab

Append following line:

/swapfile1 swap swap defaults 0 0

Verify swap is activated or not

# free -m


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