The complete list of commonly used Linux commands

#pwd: print work directory prints the current directory and displays the absolute path of the current working directory

## ps: process status (process status, similar to Windows Task Manager )

#Commonly used parameters: -auxf

ps -auxf displays process status

df: disk free Its function is to display Disk available space information and space node information. In other words, it reports how much free space is left on any installed device or directory.

du: Disk usage

rpm: RedHat Package Management is one of RedHat's inventions

rmdir: Remove Directory (delete directory)

rm: Remove (delete directory or file)

## cat: concatenate chain

cat file1file2>>file3 Combine the contents of file 1 and file 2 and put them into file3

insmod: install module, load module

ln -s : link -soft creates a soft link, which is equivalent to creating a shortcut

mkdir：Make Directory

touch

## man: Manual

su：Swith user(switch user)

##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: It should have been named "cc" based on its function description "Convert an copy", but "cc" has been used to represent "CComplier", so it was named "dd"

##tar：Tape archive

ldd：List dynamic dependencies

insmod：Install module

rmmod：Remove module

lsmod：List module

"rc" at the end of the file (such as .bashrc, .xinitrc, etc.): Resource configuration

Knnxxx /Snnxxx (located in the rcx.d directory): K (Kill); S (Service);

nn (execution sequence number); xxx (service identification)

.a (extended Name a): Archive, static library

.so (extension so): Shared object, dynamically linked library

.o (extension o): Object file, compiled result of C/C source file

RPM：Red hat package manager

dpkg：Debian package manager

apt: Advanced package tool (available in Debian or Debian-based distributions)

Part of the Linux command abbreviation

bin = Binaries

##/dev = Devices

/etc = Etcetera

##/lib = LIBrary

/proc = Processes

/sbin = Superuser Binaries binary file)

/tmp = Temporary (临时)

/usr = Unix Shared Resources 

/var = Variable (变量) 

FIFO = First In, First Out 

GRUB = GRand Unified Bootloader 

IFS= Internal Field Seperators

LILO = LInux LOader

MySQL = My is the name of the original author’s daughter,

##SQL = Structured QueryLanguage

PHP = Personal Home Page Tools = PHP HypertextPreprocessor

##PS = Prompt String

##Perl = "Pratical Extraction and Report Language" (actual extraction and reporting language) ="Pathologically Eclectic Rubbish Lister"

Python is named after the TV series 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" The third of the last names of the three authors one letter

bash = Bourne Again SHell

##bc = Basic (Better) Calculator

bg = BackGround

biff = Written by Heidi Stettner at U.C. Berkely I have a dog that likes to bark at the postman.

cal = Calendar

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

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 analyzer

lisp = LISt Processing = Lots of IrritatingSuperfluous Parentheses

Search the public account’s top algorithm and reply with “Algorithm Experience” and give you a surprise gift package.

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

## again = 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 = Stream Editor

#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-shaped water pipe interface)

telnet = TEminaL over Network

##termcap = terminal capability

terminfo = terminal information

##tex = abbreviation of τέχνη, Greek 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

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