理解Linux中/dev/zero||/dev/full

/dev/zero 和 /dev/null 在 Unix-like 系统中扮演特殊角色。/dev/zero 提供无限的空字符,而 /dev/null 则丢弃所有写入的数据,报告操作成功。这些设备文件为系统提供了必要的数据管理和错误处理机制。
  • /dev/zero

    From wikipedia, /dev/zero is a special file in Unix-like systems that provides as many null characters as are read from it.

  • /dev/null

    From wikipedia, /dev/null is a device file that discards all data written to it but reports that the write operation succeeded.

  • device file

    From wikipedia, In Unix-like operating systems, a device file or special file is an interface to a device driver that appears in a file system as if it were an ordinary file.

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