Thanks sergiucip for good howto. A small additional: chmod +x /npc/npc needed for new script file I also start ftp server and try to send output to file: #!/bin/sh telnetd & tcpsvd -vE 0.0.0.0 21 ftpd -w /mnt & mount /dev/mmcblk0p1 /mnt/disc1 -t vfat -o relatime /npc/npc-exe &>/mnt/disc1/npc.log ...