If you need to access a file or two on a remote server running SSH, then you can use TextWrangler's FTP browsing features to quickly do this.
Bare Bones' TextWrangler is a very useful tool for Web developers, but lacks options for quickly previewing HTML code in your Web browser.
The OS X Terminal is commonly used for establishing remote connections, and has some options for facilitating this.
The diagnostics utility introduced in Lion gets new features and options in Mountain Lion.
Apple's Remote Login feature in OS X can be used for securely transferring files using several protocols.
Terminal commands are often run multiple times, and the OS X terminal supports several ways of doing this.
Stop wasting your time with other file explorers and try this feature-packed one instead.
The OpenDNS organization has released a tool for OS X that encrypts DNS connections, which enhances Internet security on OS X (for now).
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Apple has removed the option to enable FTP services in OS X 10.7 "Lion," but despite this there are ways to establish FTP connections to OS X systems.