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search  TACL (the Tandem Advanced Command Language) is the
scripting programming language used in Tandem Computers. TACL is
the shell.   Tandem Computers were originally designed and sold
by Tandem Computers, Inc., based in Cupertino, CA. These were
the first commercially available parallel processing computers,
originally referred to as "mini-computers". Tandem's strategy
was the emerging concept of "continuous availability" that
relied on mirrored disks, their controllers and software, and a
well engineered operating system (Guardian, and later NonStop
Kernel or NSK) to ensure continuous application availability by
ensuring the system could survive any single point of hardware
failure.  The company was bought out in 1999 by Compaq
Computers, and several years later by Hewlett Packard Computers.
Today they are known as "HP Nonstop", with products such as the
HP Integrity NonStop Blade systems.[1]  TACL continues to be the
scripting language used on H