Install essential iPhone command line tools
First use Cydia to install “APT” and “MTerminal”.
Then open “MTerminal”:
For general shell tools (finger, fingerd, last, lsvfs, md, ps):
sudo apt-get install adv-cmds
For network tools (ftp, inetd, ping, rlogin, telnet, tftp):
sudo apt-get install network-cmds inetutils