Then give the command:/usr/swap swap swap pri=4,vlength=204800 0 0
The file (/usr/swap) will be zero-length, so you have added only virtual swap space, and no real swap area. Your kernel should then allow more processes to execute. However, when an attempt is made to access more than the system limit, IRIX swaps the largest running program out of memory.mkfile -v 0b /usr/swap