swap(d)

$ for i in `seq 1 100` ; do dd if=/dev/zero of=$i bs=4096 count=51200 ; mkswap $i ; done 


$ free -m
             total       used       free     shared    buffers     cached
Mem:          3958       3814        144          0         16       3191
-/+ buffers/cache:        606       3352
Swap:         1027        112        915

$ sudo swapon *

jópár hibaüzenet 


$ free -m
             total       used       free     shared    buffers     cached
Mem:          3958       3819        138          0         16       3192
-/+ buffers/cache:        610       3347
Swap:         6627        112       6515