cydia help!

[inoi8u]

hi i have a
iphone 3g unlock jailbreak 2.2
while playing with cydia on my iphone i deleted "bzip2" because it said bzip2 had some error and now cydia is gone it is no where to be found, i tried installing it from terminal by "apt-get install cydia" but my terminal didnt recongise any commands it said"command unknown" something like that.

can any1 please help me. im really frustrated and annoyed.. i tried lots of ways.

[cpjr]

Only way I can think of is running Quickpwn to re-install Cydia.

And dont mess with files like that.