LinuxÏÂij¸öĿ¼ÏµÄÎļþ°´´óСÅÅÐò
1. df -lh
²é´ÅÅÌʹÓÃÇé¿ö
2. du -s /usr/* | sort -rn
ÕâÊǰ´×Ö½ÚÅÅÐò
3. du -sh /usr/* | sort -rn
ÕâÊǰ´Õ×£¨M£©À´ÅÅÐò
4.Ñ¡³öÅÅÔÚÇ°ÃæµÄ10¸ö
du -s /usr/* | sort -rn | head
5.Ñ¡³öÅÅÔÚºóÃæµÄ10¸ö
du -s /usr/* | sort -rn | tail
˵Ã÷£º/usr/*Ò²¿ÉÒԸijÉÄãÏëµ½´ïµÄÈκÎĿ¼
Èç/usr/local/zhou/resin Õâ¸öĿ¼¾Í¿ÉÒÔд³É
/usr/local/zhou/resin/*
6¡¢ls -S
7¡¢
½µÐòÅÅÁÐ ls -l |sort -rn
ÉýÐòÅÅÁÐ ls -l |sort -n
Ïà¹ØÎĵµ£º
1. HCI²ãÐÒé¸ÅÊö£º
HCIÌṩһÌ×ͳһµÄ·½·¨À´·ÃÎÊBluetoothµ×²ã¡£ÈçͼËùʾ£º
´ÓͼÉÏ¿ÉÒÔ¿´³ö£¬Host Controller Interface(HCI) ¾ÍÊÇÓÃÀ´¹µÍ¨HostºÍModule¡£Hostͨ³£¾ÍÊÇPC£¬ ModuleÔòÊÇÒÔ¸÷ÖÖÎïÀíÁ¬½ÓÐÎʽ£¨USB,serial,pc-cardµÈ£©Á¬½Óµ½PCÉϵÄbluetooth Dongle¡£
ÔÚHostÕâÒ»¶Ë£ºapplication,SDP,L2capµÈÐÒé ......
Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
·þÎñ·¢ÏÖÐÒé(SDP»òBluetooth SDP)ÔÚÀ¶ÑÀÐÒéÕ»ÖжÔÀ¶ÑÀ»·¾³ÖеÄÓ¦ÓóÌÐòÓÐÌØÊâµÄº¬Ò⣬·¢ÏÖÄĸö·þÎñÊÇ¿ÉÓõĺÍÈ·¶¨ÕâЩ¿ÉÓ÷þÎñµÄÌØÕ÷¡£SDP¶¨ÒåÁËbluetooth client·¢ÏÖ¿ÉÓÃbluetooth server·þÎñºÍËüÃǵÄÌØÕ÷µÄ·½·¨¡£ ......
ÓÐÐí¶àÊ£¬ÐèÒª»Øµ½u-boot²ÅÄÜ˵Çå³þ……
include\configs\XXXX.hÖУ¨XXXXÊÓ¾ßÌåÆ½Ì¨¶ø¶¨£©£¬Ò»°ã»á×÷ÀàËÆÈç϶¨Ò壺
#define CONFIG_BOOTCOMMAND "mmcinit; fatload mmc 0 0x81c00000 uImage; bootm 0x81c00000"
±àÒëʱ¸ÃºêCONFIG_BOOTCOMMAND´«µÝ¸øÒ»¸öENVÏîbootcmd£¬¶øÔÚcommon\main.cÖУ¬º¯Êýmain_loopÈ ......
1. ×î³£ÓõÄÃüÁîÁбí
ÏÂÃæÁгöÊ®¸öÔÚʹÓÃlinux¹ý³ÌÖÐʹÓÃÆµÂÊ×î¸ßµÄÃüÁî¡£ÕâÀïÖ»×÷¼òµ¥½éÉÜ£¬¾ßÌåÓ÷¨Çë²Î¿¼ºóÃæÄÚÈÝ¡£
cat£¬ÏÔʾÎļþÄÚÈÝ¡£
cd£¬¸Ä±äĿ¼·¾¶¡£
cp£¬¸´ÖÆÎļþ¡£
find£¬²éÕÒÎļþ¡£
grep£¬ËÑË÷¡¢¹ýÂËÐÅÏ¢¡£
ls£¬ÁгöĿ¼ÐÅÏ¢¡£
more£¬·ÖÒ³ÏÔʾ¡£
rm£¬É¾³ýÎļþ»òĿ¼¡£
vi£¬µ÷ÓÃviÎı¾±à¼Æ÷ ......
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "include/lua.hpp"
bool g_bQuit = false;
void ......