Welcome to the new SysAdmin Series, where we will cover apps and other tips and tricks for using your Android device to help you get the job done and stay on top of things in the realm of system administration.
Probably the foremost tool for any sysadmin is a good SSH client. My favorite so far is ConnectBot, by Kenny Root and Jeffrey Sharkey. At the time of this writing, this free, lean, simple SSH client is at version 1.6.2, weighs in at 352KB and has had more than 250,000 downloads and enjoys a 5-star rating from over 10,000 users, and describes itself as such in the Android Market:
ConnectBot is a powerful open-soure Secure Shell (SSH) client.