linux NAS box

Budget 60usd we want to mount a folder in the /dev/md0/ as the disk to gain more space for actual disk space needed to install more apps, we need you to create swap file to increase the memory using /dev/md0 Machine has 1.2 GHz Marvell®/ARM® 6281 32bit/Single Core processor, and has 256MB of RAM we believe it is ARCHLinux on it .. we need , PHP ,Curl , Mailpipe software with Getmail installed on it ,.. let us know with your BID if you need any other output you wish to see . thanks. [/] # df Filesystem Size Used Available Use% Mounted on /dev/ram0 32.9M 16.9M 16.0M 51% / tmpfs 32.0M 256.0k 31.8M 1% /tmp /dev/sda4 371.0M 355.4M 15.6M 96% /mnt/ext /dev/md9 509.5M 135.9M 373.6M 27% /mnt/HDA_ROOT /dev/md0 5.4T 300.6M 5.4T 0% /share/MD0_DATA tmpfs 16.0M 44.0k 16.0M 0% /share/MD0_DATA/.samba/lock/[login to view URL] tmpfs 16.0M 0 16.0M 0% /mnt/ext/opt/samba/private/[login to view URL] tmpfs 1.0M 0 1.0M 0% /mnt/rf/nd [/] # [/] # This is all the commands there is on the machine , yum, apt-get, dont exist.