can anyone help me with unpacking tbz2 in terminal???

i use: sudo tar xjvvpf c:\NITdroid-0.0.3-1-Eclair-WiFi <press return>

evertime i get the same error:

22:22] <nielsvg> rsh: c: name or service not known
[22:22] <nielsvg> tar (child): c......... cannot open: input/output error
[22:22] <nielsvg> tar (child): error is not recoverable: exiting now

i also tried wget but i'm using vmware with damn small linux and dont know if wget is installed because i get error using this code