linux /usr/bin和/usr/local/bin 的区别

linux /usr/bin和/usr/local/bin 的区别 usr/local/bin/php -q root@ubuntu:/home/typ/demo# arm-none-linux-gnueabi-gcc led_app.c -o led_apparm-none-linux-gnueabi-gcc:command not foundroot@ubuntu:/home/typ/demo# echo $PATH/usr/local/arm/opt/FriendlyARM/toolschain/4.4.3/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin: linux怎么复制文件到/usr/local/bin我自己用文本编辑器编写了一个脚本,编完保存到/usr/local/bin时提示不能粘贴,其实我是想重写ls这个命令,可是就是知道有这么回事, ./configure --prefix=/usr linux内核编译 #make menuconfig、#make xconfig、#make config都出现下面错误：HOSTCC scripts/basic/fixdep在包含自/usr/include/sys/socket.h：36 的文件中,从 /usr/include/netinet/in.h：25,从/usr/include/arpa/inet.h：23,从scripts 为什么有的linux关闭服务时要加-s stop,有的脚本直接加stop比如nginx服务, /usr/local/web/nginx.0.8.15/sbin/nginx /usr/local/web/nginx.0.8.15/sbin/nginx -s stop /usr/local/web/nginx.0.8.15/sbin/nginx -s reload sub-process/usr/bin/dpkg returnedan error code(1)这是个啥问题,安装文件老是报错/var/cache/apt/archives/firmware-sbin_0-1_iphoneos-arm.deb 请问shell脚本第一行 -f的含义：/usr/bin/awk -f 这个位置还有哪些值,分别表示什么?如果是bash脚本,第一行一般都是 /bin/bash ,没有加 -f ,那么默认值是什么? push doctor 安装失败刷的是大神的4.4U装别的软件都没问题只是安装push doctor 的时候 出现 subprocess post-installation script returned error exit status 1 sub-process /usr/bin/dpkg retuned an error code (1)IPA补丁和AFC2补 How make good usr of our time翻译成中文 Returned mail:see transcript for details The original message was received at Wed,7 Feb 2007 05:30:18 -0700 (GMT)from sjcitkcprof02 [10.112.161.164]----- The following addresses had permanent fatal errors -----|IFS=' ' &&exec /usr/local/bin/procmail How make good usr of our time翻译成中文是什么意思 急 英语翻译请高手帮忙看看下面一段shell脚本是什么意思.9 dm=10 for d in /usr/man /usr/share/man /usr/X11R6/man /usr/local/man11 do12 if [ -d $d ]; then13 if [ x$dm = x ]; then dm=$d; else dm=$dm:$d; fi14 fi15 done16 DEFMANPATH=$dm17 海信电视屏幕显示 burn 海信电视屏幕显示usr burn 关于python数列的交集/usr/bin/pythonimport osimport jsonimport timedata = {}tcp_list = []port_list = []ports_list = []a = []b = []command = 'netstat -ano -p tcp| find LISTENING 'lines = os.popen(command).readlines()for line in lines:port = li perl中统计单词出现频率的一段代码,大家帮我看看我那里错了?/usr/bin/perl open(MY,1.txt);while(){while(/fred/){$words {$1}++;} }foreach $_ (keys %words){print $_$words{$1} ;}我的txt文本是fredbarneyfreddinowilmafred 有谁知道这段程序是用什么语言编的吗?/usr/bin/perl -i~use strict;use warnings; my %lastpos = (X => 10000,Y => 10000,Z => 10000,E => 10000,F => 10000);my %pos = (X => 0,Y => 0,Z => 0,E => 0,F => 0); my $mindist = 0.33; my $mindistz = 0.