Партнёры:
Хостинг:
true, false - provide truth values
true
false
The true utility does nothing, successfully. The false utility does nothing, unsuccessfully. They are typically used in a shell script sh as:
while true
do
command
done
which executes command forever.
true has exit status 0.
false always will exit with a non-zero value.
See attributes(5) for descriptions of the following attributes:
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sh(1), attributes(5), standards(5)
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Created 1996-2024 by Maxim Chirkov Добавить, Поддержать, Вебмастеру |