命令参照全拼

本文汇总了Linux系统中常用的命令及其功能介绍,包括文件管理、进程管理、磁盘使用情况查询等,为用户提供了一个快速查阅的指南。

全拼

pwd: print work directory 打印当前目录 显示出当前工作目录的绝对路径
ps: process status(进程状态,类似于windows的任务管理器)

常用参数:auxf

ps auxf 显示进程状态

df: disk free 其功能是显示磁盘可用空间数目信息及空间结点信息。换句话说,就是报告在任何安装的设备或目录中,还剩多少自由的空间。
du: Disk usage
rpm:即RedHat Package Management,是RedHat的发明之一
rmdir:Remove Directory(删除目录)
rm:Remove(删除目录或文件)
cat: concatenate 连锁
cat file1file2>>file3 把文件1和文件2的内容联合起来放到file3中
ln -s : link -soft 创建一个软链接,相当于创建一个快捷方式
mkdir:Make Directory(创建目录)
touch: touch
man: Manual
su:Swith user(切换用户)
cd:Change directory
ls:List files
ps:Process Status
mkdir:Make directory
rmdir:Remove directory
mkfs: Make file system
fsck:File system check
uname: Unix name
lsmod: List modules
mv: Move file
rm: Remove file
cp: Copy file
ln: Link files
fg: Foreground
bg: Background
chown: Change owner
chgrp: Change group
chmod: Change mode
umount: Unmount
dd: 本来应根据其功能描述"Convert an copy"命名为"cc",但"cc"已经被用以代表"CComplier",所以命名为"dd"
tar:Tape archive (磁带档案)
ldd:List dynamic dependencies
insmod:Install module 载入模块
rmmod:Remove module
lsmod:List module

Knnxxx /Snnxxx(位于rcx.d目录下):K(Kill);S(Service);nn(执行顺序号);xxx(服务标识)

  • 文件结尾的 rc(如.bashrc、.xinitrc等):Resource configuration

.a(扩展名a):Archive,static library
.so(扩展名so):Shared object,dynamically linked library
.o(扩展名o):Object file,complied result of C/C++ source file

RPM:Red hat package manager
dpkg:Debian package manager
apt:Advanced package tool(Debian或基于Debian的发行版中提供)

其他 Linux 命令缩写

bin = Binaries (二进制文件)

/dev = Devices (设备)

/etc = Etcetera (等等)配置文件存放

/lib = LIBrary

/proc = Processes

/sbin = Superuser Binaries (超级用户的二进制文件)

/tmp = Temporary (临时)

/usr = Unix Shared Resources

/var = Variable (变量)

/opt = 独立程序或者应用存放目录,测试版应用可以放这用

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 QueryLanguage

PHP = Personal Home Page Tools = PHP HypertextPreprocessor

PS = Prompt String

Perl = “Pratical Extraction and Report Language”(实际的抽取和报告语言) =”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HeidiStettner在U.C.Berkely养的一条狗,喜欢对邮递员汪汪叫。

cal = Calendar (日历)

cat = Catenate (链接)

cd = Change Directory

chgrp = Change Group

chmod = Change Mode

chown = Change Owner

chsh = Change Shell

cmp = compare

cobra = Common Object Request BrokerArchitecture

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 (磁盘转储)

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 (执行)

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 Encoder

lex = LEXical analyser

lisp = LISt Processing = Lots of IrritatingSuperfluous Parentheses

ln = Link

lpr = Line PRint

ls = list

lsof = LiSt Open Files

m4 = Macro processor Version 4

man = MANual pages

mawk = Mike Brennan’s AWK

mc = Midnight Commander

mkfs = MaKe FileSystem

mknod = Make Node

motd = Message of The Day

mozilla = MOsaic GodZILLa

mtab = Mount TABle

mv = Move

nano = Nano’s ANOther editor

nawk = New AWK

nl = Number of Lines

nm = names

nohup = No HangUP

nroff = New ROFF

od = Octal Dump

passwd = Passwd

pg = pager

pico = PIne’s message COmposition editor

pine = “Program for Internet News &Email” = “Pine is not Elm”

ping = 拟声 又 = Packet Internet Grouper

pirntcap = PRINTer CAPability

popd = POP Directory

pr = pre

printf = Print Formatted

ps = Processes Status

pty = pseudo tty

pushd = PUSH Directory

pwd = Print Working Directory

rc = runcom = run command, rc还是plan9的shell

rev = REVerse

rm = ReMove

rn = Read News

roff = RunOFF

rpm = RPM Package Manager = RedHat PackageManager

rsh, rlogin, rvim中的

r = Remote

rxvt = ouR XVT

seamoneky = 我

sed = Stream Editor

seq = SEQuence

shar = Shell ARchive

slrn = S-Lang rn

ssh = Secure Shell

ssl = Secure Sockets Layer

stty = Set TTY

su = Substitute User

svn = SubVersion

tar = Tape ARchive

tcsh = TENEX C shell

tee = T (T形水管接口)

telnet = TEminaL over Network

termcap = terminal capability

terminfo = terminal information

tex = τέχνη的缩写,希腊文art

tr = traslate

troff = Typesetter new ROFF

tsort = Topological SORT

tty = TeleTypewriter

twm = Tom’s Window Manager

tz = TimeZone

udev = Userspace DEV

ulimit = User’s LIMIT

umask = User’s MASK

uniq = UNIQue

i = VIsual = Very Inconvenient

vim = Vi IMproved

wall = write all

wc = Word Count

wine = WINE Is Not an Emulator

xargs = eXtended ARGuments

xdm = X Display Manager

xlfd = X Logical Font Description

xmms = X Multimedia System

xrdb = X Resources DataBase

xwd = X Window Dump

yacc = yet another compiler compiler

Fish = the Friendly Interactive SHell

su = Switch User

MIME = Multipurpose Internet Mail Extensions

ECMA = European Computer ManufacturersAssociation

1.数据采集调度:(30分) MySQL数据同步:MySQL中有一个physical_test数据库(自己创建),该库下有两个原始表:weight_grade和weight_rules表及数据,具体建表语句及数据参见“ds_test.sql文件”。请使用DolPhinScheduler将weight_grade和weight_rules表数据同步到Hive的physical_test库中,Hive中表名可以自由定义或直接使用“Hive语句.hql文件”中的定义。 Csv文件数据同步:master服务器的/home目录下有一个physical_test.csv数据文件,请使用DolPhinScheduler任务将其数据同步到Hive的physical_test库中,Hive中表名可以自由定义或直接使用“Hive语句.hql文件”中的定义。 注:同步两张MySQL表和csv文件数据同步一定要用DolPhinScheduler的任务表示,每个任务名称必须加自己的姓名拼音作为前缀_XXX表示,XXX自由定义。 ‌2.数据计算调度‌:(30分) 使用Hive计算体重成绩与成绩等级评价:根据已经同步到Hive的physical_test库中数据,使用Hive语句计算学生的体重成绩与成绩等级评价(我已将SQL写好,参考Hive语句.hql文件,直接使用即可),并将其结果数据存储到Hive的一个结果表中,表名:自己姓名全拼_weight_report,字段自己定义,最后将整个过程使用使用一个或多个DolPhinScheduler任务进行表示即可。 基于自己姓名全拼_weight_report统计每个班体重成绩评价分布:该统计的Hive语句和存储结果表语句自己编写,结果表名:自己姓名全拼_weight_grade_dist, 结果表列:班级列(class_no)、等级(grade)和等级数量(grade_cnt),最后将整个过程使用使用一个或多个DolPhinScheduler任务进行表示即可。 注:每个任务名称必须以自己的姓名拼音作为前缀_XXX表示,XXX自由定义。 ‌3.结果数据同步调度:(20分) 先在MySQL的physical_test数据库中创建一个自己姓名全拼_weight_grade_dist表,表字段参照上一步Hive中该表的字段,类型自己定义即可。同时将Hive中自己姓名全拼_weight_grade_dist表的数据导出到MySQL的physical_test数据库中的同名表中。使用一个或多个DolPhinScheduler任务表示即可。 注:每个任务名称必须以自己的姓名拼音作为前缀_XXX表示,XXX自由定义。 ‌4.工作流创建与运行测试:(20分) 将1、2、3中的所有任务保存为一个工作流,名称为:自己姓名全拼_xxx_wf,xxx自由定义。 并将自己姓名全拼_xxx_wf工作流定时为每天凌晨2:30分运行。 同时在该工作流保存或运行时,无论失败与成功都告警钉钉。 最后将整个工作流和定时均上线并运行测试,查看整个工作流各个任务的运行状态。 注:无论整个工作流所有任务运行失败还是成功,都需要将整个工作流运行状态截图添加到文档中。
06-09
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