Question

linux中 ls -l 命令后的一个数字的含义

-rw-r--r-- 1 root root 53K 03-16 08:54 install.log

1代表什么？

Answer 1

1个连接数

Answer 2

如果是一个文件，则返回1，如果是一个文件夹则表示文件下的文件或文件夹的总个数。
See this:
leon@leon-desktop:/usr> ls -l /usr/
总计 248
drwxr-xr-x 2 root root 69632 09-09 10:35 bin
drwxr-xr-x 2 root root 4096 2008-12-03 games
drwxr-xr-x 5 root root 4096 2008-12-03 i586-suse-linux
drwxr-xr-x 147 root root 12288 07-23 12:15 include
drwxr-xr-x 6 root root 4096 08-07 18:43 itis
drwxr-xr-x 194 root root 118784 07-23 18:21 lib
drwxr-xr-x 10 root root 4096 2008-12-03 local
drwxr-xr-x 2 root root 16384 09-08 18:37 sbin
drwxr-xr-x 208 root root 4096 08-31 00:27 share
drwxr-xr-x 6 root root 4096 07-22 16:23 src
lrwxrwxrwx 1 root root 10 2008-12-18 tmp -> ../var/tmp
drwxr-xr-x 4 root root 4096 2008-12-03 X11R6
leon@leon-desktop:/usr> ls -l /usr/src/
总计 16
lrwxrwxrwx 1 root root 22 07-22 16:23 linux -> linux-2.6.16.60-0.49.4
drwxr-xr-x 20 root root 4096 07-22 16:23 linux-2.6.16.60-0.49.4
drwxr-xr-x 3 root root 4096 07-22 16:23 linux-2.6.16.60-0.49.4-obj
drwxr-xr-x 3 root root 4096 2009-01-12 linux-2.6.27.7-9-obj
lrwxrwxrwx 1 root root 26 07-22 16:23 linux-obj -> linux-2.6.16.60-0.49.4-obj
drwxr-xr-x 7 root root 4096 2008-12-03 packages

Answer 3

链接数

Answer 4

硬链接个数