linux 命令
/bin = BINaries
/dev = DEVices
/etc = ETCetera
/lib = LIBrary
/proc = PROCesses
/sbin = Superuser BINaries
/tmp = TeMPorary
/usr = Unix Shared Resources
/var = VARiable ?
FIFO = First In, First Out
GRUB = GRand Unified Bootloader
IFS = Internal Field Seperators
LILO = LInux LOader
MySQL = My是最初作者女儿的名字，SQL = Structured Query Language
PHP = Personal Home Page Tools = PHP Hypertext Preprocessor
PS = Prompt String
Perl = "Pratical Extraction and Report Language" = "Pathologically Eclectic Rubbish Lister"
Python 得名于电视剧Monty Python's Flying Circus
Tcl = Tool Command Language
Tk = ToolKit
VT = Video Terminal
YaST = Yet Another Setup Tool
apache = "a patchy" server
apt = Advanced Packaging Tool
ar = archiver
as = assembler
awk = "Aho Weiberger and Kernighan" 三个作者的姓的第一个字母
bash = Bourne Again SHell
bc = Basic (Better) Calculator
bg = BackGround
biff = 作者Heidi Stettner在U.C.Berkely养的一条狗,喜欢对邮递员汪汪叫。
cal = CALendar
cat = CATenate
cd = Change Directory
chgrp = CHange GRouP
chmod = CHange MODe
chown = CHange OWNer
chsh = CHange SHell
cmp = compare
cobra = Common Object Request Broker Architecture
comm = common
cp = CoPy
cpio = CoPy In and Out
cpp = C Pre Processor
cron = Chronos 希腊文时间
cups = Common Unix Printing System
cvs = Current Version System
daemon = Disk And Execution MONitor
dc = Desk Calculator
dd = Disk Dump
df = Disk Free
diff = DIFFerence
dmesg = diagnostic message
du = Disk Usage
ed = editor
egrep = Extended GREP
elf = Extensible Linking Format
elm = ELectronic Mail
emacs = Editor MACroS
eval = EVALuate
ex = EXtended
exec = EXECute
fd = file descriptors
fg = ForeGround
fgrep = Fixed GREP
fmt = format
fsck = File System ChecK
fstab = FileSystem TABle
fvwm = F*** Virtual Window Manager
gawk = GNU AWK
gpg = GNU Privacy Guard
groff = GNU troff
hal = Hardware Abstraction Layer
joe = Joe's Own Editor
ksh = Korn SHell
lame = Lame Ain't an MP3 Enc
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有两段代码：
#!/bin/sh
if [ $#=0 ]
then
echo "Name not provided"
else
echo "You name is $1"
fi
#!/bin/sh
if [ $#=0 ]; then echo "Name not provided"
else echo "You name is $1"
fi
名字为mypgm1
第 ......
aMule是一个开源免费的P2P文件共享软件，遵循GNU通用公共许可证协议发布。类似于eMule。基于xMule和lMule。可应用
eDonkey(电驴)网络，也支持KAD网络。可在包括Windows、Linux、MacOSX、*BSD以及Solaris的多种操作系统下运行。
aMule意即："the all-platform eMule-like P2P client" ......
刚才阅读代码的时候看到了一个字节排序函数，一时想不起具体用法了。想想学习linux下的网络编程也不少时间了，这些字节排序和转换的函数还是不太清楚，容易混淆。今天索性把这方面的知识汇总一下，争取以后能够熟练的认识和运用。
字节顺序函数：
小端字节序：将低序字节存储在起始地址。(linux)
大端字节序：将高序字节 ......
这两天一直在看linxu进程和线程的东西，总是效率比较低，这么一点基础的东西还看了这么久。该自我反省一下。
首先来看看进程。进程分为三个部分，进程控制块，程序段和数据段。进程是一个有生命的实体，程序是一个没有生命的实体。只有CPU赋予程序生命的时候，程序才成为一个活动的实体，我们称之为“进程”。每 ......
