linux 创建交换分区
#!/bin/sh
swapfile="/swap/swapfile"
swapdir="/swap/swap"
if [ ! -f "$swapfile" ]; then
mkdir $swapdir
dd if=/dev/zero of=$swapfile bs=1024 count=44000
sync
if [ $? -eq 0 ]; then
/sbin/mkswap $swapfile
/sbin/swapon $swapfile
echo "enable swapfile success!!"
fi
else
/sbin/mkswap $swapfile
/sbin/swapon $swapfile
echo "enable swapfile success!!"
fi