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UNIX Linux Command UNIX Linux Command khongdeee 06:50

ftpftp host ftp user name password ftp host public username public user anonymous password user anonymous E-mail connect directory pub $ ftp hostname c:windows> ftp wihok.itgo.com$ ftp ftp.nectec.or.th ftp ftp> help ftpftp> open hostname connect host ftp> close disconnect host ftp> bye quit ftpftp> ls dir current directory host ftp> get host localhost ftp> mget host localhostftp> put localhost host ftp> mput localhost host ftp> cd directoryftp> delete mdelete

ls dir dos $ ls [-option] [file]option

l permission , , , , a ( dir /ah)p / directoryF / = directory* = execute file@ = link fileld directory (dir /ad)R directory (dir /s)

$ ls$ ls -la

more pipe line ( | ) space Enter $ ls -la | more$ more filename

cat type dos $ cat filename

clear cls dos terminal $ clear

date $ date 17 May 1999

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UNIX Linux Command http://khongdeee.blogspot.com/2012/06/unix-linux-command.html

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cal $ cal month year $ cal 07 1999

logname$ logname

id$ id

tty terminal $ tty

hostname$ hostname

uname OS cpu $ uname -a

history$ history !

echo banner$ echo "Hello" "Hello" $ banner "Hello" "Hello"

who , w finger $ who$ w$ finger host $ finger @daidy.bu..ac.th Host $ finger wihok $ who am i $ whoami logname

pwd directory $ pwd

mkdir directory MD DOS$ mkdir dir_name

cp copy $ cp [-irfp] file_source file_targetoption -i option -r copy directory option -f option -p $ cp file_test /tmp/file_test

mv move $ mv [-if] file_source file_target option cp$ mv index.html main.html index.html main.html

rm directory del deltree dos $ rm [-irf] filename$ rm -r dir_name dir_name dir_name directory $ rm -i *

rmdir directory rd Dos$ rmdir dir_name

alias


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$ alias l = ls -l$ alias c = clear

unalias alias $ unalias c

type $ type command$ type clear

find $ find /usr/bin -name "*sh" -print sh /usr/bin

grep$ grep file

manman $ man ls$ man cp

write host $ write s0460003

mesg$ mesg status terminal$ mesg y terminal $ mesg n terminal

talk Ctrl + c host $ talk username@hostname

pine menu tar

Packet zip zip output filename.tar packet filename.tar gzip compress packet

$ tar -option output input-option -cvf , -tvf , -xvf output .tar device tape input directory $ tar -cvf Output_file.tar /home/myhome/*Option -cvf .tar /home/myhome/ Output_file.tar$ tar -tvf filename.tarOption -tvf .tar preview tar -tvf filename.tar |more$ tar -xvf filename.tarOption -xvf .tar current directory

gzip

zip Unzip packet .tar $ gzip filename.tar zip filename.tar.gz$ gzip -d filename.tar.gz unzip filename.tar

Compress Uncompress

compress .Z gzip gzip -d $ compress -v file.tar file.tar.Z Option -v verify compress$ uncompress -v file.tar.Z

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Operating System Component

1.Kernel kernel kernel

2.File System (FS) OS OS FS

Operating System File SystemDOS/Windows95 FAT12,FAT16Windows98/95-osr FAT12,FAT16,FAT32Windows NT NTFS,FAT16,HPFSOS/2 FAT12,FAT16,HPFSLinux EXT2,VFAT,HPFS,NTFS,etc. SunOS UFS

Linux File System Ext2 (Extended Files System 2) Linux 4 (Tbytes) 4000 Gbytes

3.Shell command Interpreter user kernel Shell Script shell Input / Output > output< input>> output

shell 2

Synchronous execution prompt ( foreground mode)

$ ls -l ( list directory )

Asynchronous execution shell prompt shell (background mode) ampersand (&)

$ netscape & ( netscape prompt netscape )

Shell

Bourne Shell (sh) starndard shell unix shell script unix Algol Procedure default prompt "$"

C Shell (csh) C bourne shell shell script bourne shell default prompt "%"

Korn Shell (ksh) sh csh unix ksh shell shell script Standard IEEE PDSIX 1003.2 default prompt "$"

Bourne Again Shell (bash) sh (default of Linux) default prompt "$"

4.Utilities unix kernel

Unix 255 ^ " ', - ? ] () ~ ! $ @ # $ / "." hidden file option

Regular files Text Editor

Directory files Directory Sub Directory Directory (root) " / "

Special files Character device file Block device file


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device driver /dev Character device file Block device file

Unix demain seckets BSD Unix Name pipes AT&T Unix

Symbolic Link files 2

1. Hard Link I-node I-node I-node partition

2. Symbolic Link I-node shutcut windows 95 link file link file partition partition

ls -l

Type Sysbol Create RemoveText file - cp , mv ,etc rmDirectory p mkdir rm -r , rmdirCharacter device v mknod rmBlock device b mknod rmUnix domain socket s socket rmName pipes p mknod rmlink file l ln -s rm

Filesystem Hierarchy Standard (FHS) root /

/ root kernel

/bin

/dev

/etc config files

/etc/X11 config files x windows

/etc/skel home user

/lib

/sbin

/usr

/var

PERMISSION OS user id group id user home directory user user user 3

Owner Group gid Other

Read Permission rWrite Permission wExecute Permission Run x

user Permission $ ls -la-rwxr--r-- 1 wihok Special 5223 May 12 10:10 .profile -rwxr--r-- 1 wihok Special 2022 May 12 10:13 .kshrcdrwx------ 2 wihok Special 1024 May 12 10:34 mail -rw-r--r-- 1 wihok Special 11211 May 12 11:01 test 7 filed


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Field

1 File Type Permission 2 link 3 (owner) 4 (group) 5 (byte) 6 - update 7

field 1 Permission

1 2-4 Owner 5-7 Group 8-10 Other

.kshrc permission -rwxr--r-- Owner Run user owner other permission

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Permission permission Admin

1. chmod permission 2

Absolute Permission

$ chmod filename r 4 w 2 x 1 - 0

permission ( owner , group other) test owner Run group run other run

Permission rwx r-x --xNumber 7 5 1 : $ chmod 751 test

Relative Permission

u () + r () g () - w () o () = x (Run) a ()

permission .kshrc rwxr--r-- rwxrw-r--$ chmod g+w .kshrc permission .profile rwxr--r-- rwxrw-rw-$ chmod go+w .profile

2. chown

$ chown newuser test field 3 ls -la wihok newuser

3. chgrp

$ chgrp newgroup test field 4 ls -la Special newgroupText EditorText Editor pico vi pico unix text text editor vi text editor vi


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text editor$ pico filename $ pico$vi filename $ vi

vivi text editor 3 mode

Command Mode cursor ( editor ,Home ,End ,insert, delete vi )

Edit Mode

Last Line Mode save , open , quit , ,

mode vi Esc Last line Mode Esc Shift + : :

Command Mode mode mode

h cursor j cursor 1 k cursor 1 l cursor w cursor b cursor $ cursor 0 cursor nG n n Ctrl+f cursor 1 Ctrl+b cursor 1 Ctrl+L Refresh [[ ]] yy Copy yw Copy yG Copy y$ Copy p Paste cursor P Paste cursor cw word c$ cG r 1 R Esc u Undo x cursor X cursor dw dd d$ cursor d0 cursor dG cursor

Edit Mode mode

a cursor A i cursor I o cursor O cursor

Last Line Mode mode Esc : :

:q! quit :w! save :wq! save and quit :w! filename save as filename :e! filename open filename :/string :help :set nu :set nonu


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