To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for details.

samuel@samuel-KM400-8235:~/Descargas/XBSlink_v0.9.5.3$ ls
log4net.dll       PacketDotNet.dll      SharpPcap.dll.mdb  XBSlink.exe
Mono.Nat.dll      SharpPcap.dll         sounds             XBSlink.exe.config
Mono.Nat.dll.mdb  SharpPcap.dll.config  stunlib.dll        XBSlink.exe.mdb
samuel@samuel-KM400-8235:~/Descargas/XBSlink_v0.9.5.3$