ls显示文件大小时显示单位

[billing_dx@bmcs1 bin]$ ls -lh
total 565M
-rwxr-xr-x 1 billing_dx BILLING 1.1M Mar 10 18:56 AcctMgrService
-rw-r--r-- 1 billing_dx BILLING  364 Mar 10 18:59 AcctMgrService.conf
-rw------- 1 billing_dx BILLING  11G Mar 13 18:37 core.22836
-rw-r--r-- 1 billing_dx BILLING  410 Mar 13 17:38 dll_info.conf
-rwxr-xr-x 1 billing_dx BILLING   39 Mar 10 18:57 go

使用“-h”参数时，会根据文件的大小选择显示的单位是“K”、“M”还是“G”。如果希望指定显示的单位，可以使用“--block-size”参数，如下：

[billing_dx@bmcs1 bin]$ ls -l
total 577724
-rwxr-xr-x 1 billing_dx BILLING     1103862 Mar 10 18:56 AcctMgrService
-rw-r--r-- 1 billing_dx BILLING         364 Mar 10 18:59 AcctMgrService.conf
-rw------- 1 billing_dx BILLING 10947788800 Mar 13 18:37 core.22836
-rw-r--r-- 1 billing_dx BILLING         410 Mar 13 17:38 dll_info.conf
-rwxr-xr-x 1 billing_dx BILLING          39 Mar 10 18:57 go

[billing_dx@bmcs1 bin]$ ls -l --block-size=k 
total 577724K
-rwxr-xr-x 1 billing_dx BILLING     1078K Mar 10 18:56 AcctMgrService
-rw-r--r-- 1 billing_dx BILLING        1K Mar 10 18:59 AcctMgrService.conf
-rw------- 1 billing_dx BILLING 10691200K Mar 13 18:37 core.22836
-rw-r--r-- 1 billing_dx BILLING        1K Mar 13 17:38 dll_info.conf
-rwxr-xr-x 1 billing_dx BILLING        1K Mar 10 18:57 go

[billing_dx@bmcs1 bin]$ ls -l --block-size=m
total 565M
-rwxr-xr-x 1 billing_dx BILLING     2M Mar 10 18:56 AcctMgrService
-rw-r--r-- 1 billing_dx BILLING     1M Mar 10 18:59 AcctMgrService.conf
-rw------- 1 billing_dx BILLING 10441M Mar 13 18:37 core.22836
-rw-r--r-- 1 billing_dx BILLING     1M Mar 13 17:38 dll_info.conf
-rwxr-xr-x 1 billing_dx BILLING     1M Mar 10 18:57 go

[billing_dx@bmcs1 bin]$ ls -l --block-size=g
total 1G
-rwxr-xr-x 1 billing_dx BILLING  1G Mar 10 18:56 AcctMgrService
-rw-r--r-- 1 billing_dx BILLING  1G Mar 10 18:59 AcctMgrService.conf
-rw------- 1 billing_dx BILLING 11G Mar 13 18:37 core.22836
-rw-r--r-- 1 billing_dx BILLING  1G Mar 13 17:38 dll_info.conf
-rwxr-xr-x 1 billing_dx BILLING  1G Mar 10 18:57 go

billing_dx@bmcs1 bin]$ man ls
LS(1)                            User Commands                           LS(1)


NAME
   ls - list directory contents


SYNOPSIS
   ls [OPTION]... [FILE]...


DESCRIPTION
   List  information  about the FILEs (the current directory by default).  Sort entries alphabetically if
   none of -cftuvSUX nor --sort.


   Mandatory arguments to long options are mandatory for short options too.


   -h, --human-readable
          with -l, print sizes in human readable format (e.g., 1K 234M 2G)


   -k     like --block-size=1K


   -l     use a long listing format


   --block-size=SIZE
          use SIZE-byte blocks.  See SIZE format below


   SIZE  may  be  (or  may  be  an  integer optionally followed by) one of following: KB 1000, K 1024, MB
   1000*1000, M 1024*1024, and so on for G, T, P, E, Z, Y.

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ls显示文件大小时显示单位

原文：http://blog.csdn.net/yang15225094594/article/details/21183559