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Exec command #132
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Bash has a low-level
exec
command which executes a command and replaces current shell process with it.This is useful when executing long-running processes or services, so that shell parent process does not occupy space in RAM.
Currently closh with rebel-readline has overhead of around 250 MB, with plain main it is around 180 MB.
Java does not provide API for this, the only way would be to use JNI/JNA to call native functions.
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