This time I exited all apps and I moved .ati85 to .ati850. It exited immediately and did not create .ati85. I think I need a reboot to see it again.

Nokia-N810-43-7:~$ ati85
Allocating 128kB+2048kB for RAM+ROM...OK
Loading TI85.ROM...FAILED
Saving /home/user/.ati85/TI85.RAM...FAILED
Nokia-N810-43-7:~$ free
total used free shared buffers
Mem: 126796 89524 37272 0 904
Swap: 135160 20792 114368
Total: 261956 110316 151640