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我有一个奇怪的问题。
有一个文件:
$ cat fp_id_led 1 $ echo 0 > fp_id_led $ cat fp_id_led 1 <--- Still shows 1!
此外,当我在 vim 中打开文件时,它只是空的。我怎样才能翻转文件中的那个值。
可能该文件不在普通文件系统上,而是在伪文件系统上,例如/proc?
/proc