/dev/null

别名

dev null dev-null devnull

释义与例句

name
  1. 1.

    A device file, present in Unix and Unix-like operating systems such as Linux, that discards all data written to it and yields no output, always being as an empty file when read.

    计算机 工程 数学

    It's possible to suppress the compiler's warnings by redirecting standard error to /dev/null.

  2. 2.

    Nowhere; often suggests an intent to ignore specific correspondence.

    比喻

词源

From Unix operating systems, where /dev (the Unix directory containing device files) contains a null entry representing no device.

来源：wiktionary