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Sam (program)

sam is an editor under the Plan 9 operating system. There are Microsoft Windows and X-Windows ports available. sam was originally designed in the early 1980s for the DMD 5620, Bell Labs' windowing terminal.

It aims to emulate the ed editor, but with extended capabilities, such as editing multiple files at once. It does this by opening a window dedicated to "watching" each file, and standard ed commands can be, in a sense, directed to the current file set.

Real editing power is offered by Plan 9's mouse chording capabilities, however this is available to any Plan 9 window, whether terminal or editor, not just sam.

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