Entries tagged as fifo

#17: Process substitution

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You probably know command substitution. Command substitution executes a command and uses its output as a variable on the shell. The operator for this is either the backtick operator. But did you also know that there is a counterpart of command substitution? This counterpart is called process substitution.

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#15: Named and unnamed pipes

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Pipes are used very often on UNIX systems. They connect two programs in that way that the STDOUT of the first program becomes the STDIN of the second program.

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