什么是“总”在第一行ls -l之后？ [英] What is that "total" in the very first line after ls -l?

问题描述

ls -l的输出中的total是什么？

What is that "total" in the output of ls -l?

    $ ls -l /etc
    total 3344
    -rw-r--r--   1 root root   15276 Oct  5  2004 a2ps.cfg
    -rw-r--r--   1 root root    2562 Oct  5  2004 a2ps-site.cfg
    drwxr-xr-x   4 root root    4096 Feb  2  2007 acpi
    -rw-r--r--   1 root root      48 Feb  8  2008 adjtime
    drwxr-xr-x   4 root root    4096 Feb  2  2007 alchemist

推荐答案

在您的平台的 ls 文档中。对于 coreutils ls （在很多Linux系统上找到的），信息可以通过 info coreutils ls ：

You can find the definition of that line in the ls documentation for your platform. For coreutils ls (the one found on a lot of Linux systems), the information can be found via info coreutils ls:

对于列出的每个目录， b $ b`total BLOCKS'，其中BLOCKS是该目录中所有
文件的总磁盘分配。

For each directory that is listed, preface the files with a line `total BLOCKS', where BLOCKS is the total disk allocation for all files in that directory.

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