۹̼()̶?
Owner
|
Group
|
Other
|
Owner Group ϼڽŰ ڽ ѱ. Other 3, Ʈ 湮 3ڷ nobody . |
r
|
w |
x |
r
|
w |
x |
r
|
w |
x |
r б(4), w (2), x (1) |
7
|
5
|
5
|
ϼڴ װ а ų , 3ڴ а ุ ų ִ. |
7
|
7
|
7
|
3ڵ ־. |
*.html *.cgi, *.pl *.txt ε ݵ ascii ϰ (*.gif *.jpg)̳ ڹ ø(*.class), (*.exe *.zip *.rar) binary mode ε .
⺻ɾ
ɾ |
|
login
|
ý ⺻ multi-user 信 Ͽ ý ̿ϱ ؼ ݵ α Ͽ մ . α PC ſ Ǿ Ա ״ Դϴ. ϴ ID Էϴ Դϴ. |
passwd
|
н
, Ư ͳ 迡 Ϲ ǻ Ȳ Ͽ ξ ŷ ϴ. н ϼ ܾ ٴ ܾ ߰ ڳ Ű ^, #, ' ȣ Ͽ ִ ϴ |
du
|
ϵ뷮 üũ(chkdsk)
ڽ ϵ ˷ # du Ư 丮 뷮 ˷ # du -s diretory_name |
ls
|
Ʈ (dir)
F : Ÿ ȣ ϸ ǥ (丮 '/', '*', ɺ ũ '@' Ÿ). l : Ͽ Ÿϴ. a : dot (.access ) ǥ. t : ð ǥ C : dir/wɰ ٿ ǥ R : dir/s ɰ 丮 .
() # ls -al # ls -aC # ls -R |
cd
|
丮
# cd cgi-bin : Ϻ 丮 cgi-bin . # cd .. : 丮 ̵ # cd Ǵ cd ~ : ڱ Ȩ丮 ٷ ̵ # cd /webker : ۾ 丮 丮 ƴ ٸ 丮(webker) ̵Ϸ / ؼ ̸ Էϸ ȴ. |
cp
|
ȭ (copy)
# cp index.html index.old : index.html ȭ index.old ̸ .
# cp /home/test/*.* . : test 丮 ȭ 丮 . |
mv
|
̸(rename) / ġ(move)
# mv index.htm index.html : index.htm ȭ index.html ̸
$ mv file ../main/new_file : ġ |
mkdir
|
丮
# mkdir download : download 丮 |
rm |
ȭϻ
# rm test.html : test.html ȭ # rm -r <丮> : 丮 ü # rm -i a.* : a ϴ Ȯϸ鼭 |
rmdir |
丮
# rmdir cgi-bin : cgi-bin 丮 |
pwd |
丮 θ ֱ |
pico |
|
put |
ftp ¿ ȭ ε
> put guestbook.tar.gz |
get |
ftp ¿ ȭ ٿε
> get guestbook.tar.gz |
mput Ǵ mget |
ȭ ø (put,get ) |
chmod |
ȭ permission
ȭϰ 丮 ο.
) -rwxr-xr-x guestbookt.html rwx :ó 3 = ڽ r-x :״ 3 = r-x : 3 = ü
б(read)---------- ȭ б (write)---------- ȭ (execution)---------- ȭ (-)----------
ɾ chmod [] []
# chmod 666 guestbook.html : test.html ȭ ڽſԸ r,w,x
# chmod 766 guestbook.html : ڽ ڿ,üڿԴ б Ѹ |
alias |
" doskey alias" ϰ ̿ ִ ɾ alias ״ Դϴ. ڴ alias ̿Ͽ н ɾ ϰ ٿ ֽϴ. ̵ ٸ [alias ls 'ls -al'] Ͻø Ǵµ, alias ؼ ̿Ͻ÷, ڽ Ȩ丮 ִ .cshrc(Hidden Ӽ) pico ̿Ͽ Ű ˴ϴ. |
cat |
ȭ鿡 ϰų ( TYPE)
# cat filename |
more |
cat ɾ Ű ȭ ѱ . more ɾ ϸ ȭ ־ .
# more <ɼ> ɼ ϴ.
Space bar : Return(enter) key : v : vi ȯ /str : str ڸ ã b : q : more ¸ h : = : line number |
who |
ýۿ login ϰ ִ Ʈ ݴϴ.
# who |
whereis |
ҽ, , ġ ˷ݴϴ
# whereis perl : perl ġ ˷ش |
vi, touch, cat |
ο
# vi newfile : vi · # touch newfile : ϸ # cat > newfile : vi · , ۼ Ctrl+D |
cat, head, tail |
븸
# cat filename : # head -n filename : n ŭ # tail -n filename : n ŭ Ʒ |
ɾ
ɾ |
|
tar |
.tar, _tar ų Ǯ ϴ ɾ ( ƴ)
# tar cvf [ϸ(.tar, _tar)] (Ǵ 丮): # tar xvf [ϸ(.tar, _tar)] : Ǯ (cf) cvfp/xvfp ϸ ۹̼ ε |
compress |
Ȯ .Z
# compress [ϸ] : # uncompress [ϸ] : |
gzip |
Ȯ .gz, .z
# gzip [ϸ] : # gzip -d [ϸ] : |
Ÿ |
.tar.Z ̰ tar Ŀ compress Ͽ uncompress ؼ Ǭ , ٽ tar ؼ ϵ ˴ϴ. ƴϸ Ǯ ִ. # zcat [ϸ].tar.Z :
.tar.gzǴ .tar.z # gzip -cd [ϸ] :
.tar.gz Ǵ .tar.z .tgz gzip ؼ Ǭ ٽ tar ؼ , ϸ ó ִ.
# gzip -cd .tar.gz | tar xvf - Ǵ # tar xvzf .tar.gz # tar xvzf .tgz |
ʼɾ
Linux/Unix ɾ |
|
MS-DOS |
./x |
x α ( 丮 ִ ) |
x |
/ |
() / () Էߴ ɾ |
doskey |
cd x (Ǵ cd /x) |
丮 X |
cd |
cd .. (Ǵ cd ../ Ǵ cd /..) |
丮 |
cd.. |
x [tab] [tab] |
x ϴ ɾ |
- |
adduser |
ýۿ ߰ |
/ |
ls (Ǵ dir) |
丮 ֱ |
dir |
cat |
̳ ؽƮ |
type |
mv x y |
x y ٲٰų ű |
move |
cp x y |
x y ϱ |
copy |
rm x |
|
del |
mkdir x |
丮 |
md |
rmdir x |
丮 |
rd |
rm -r x |
丮 x |
deltree |
rm p |
Ű |
- |
df (Ǵ df x) |
ġ x ֱ |
chkdsk ? |
top |
ֱ(q ) |
mem |
man x |
ɾ x Ŵ |
/ |
less x |
ؽƮ x ( ) |
type x | more |
echo |
echo ȭ鿡 μѴ. |
echo |
mc |
UNIX ĿǴ |
nc |
mount |
ġ (: CD-ROM, Ϸ umount) |
- |
halt |
ý |
- |
reboot ([ctrl] + [alt] +[del]) |
ý ٽ ϱ |
[ctrl] + [del] + [del] |
ɾ
ɾ |
|
chmod <> <> |
(permissions) |
ls -l x |
x ڼ Ȳ |
ln -s x y |
x y ɺ ũ |
find x -name y -print |
丮 xȿ y ãƼ ȭ鿡 |
ps |
۵ μ |
kill x |
μ x (x ps PID) |
[alt] + F1 - F7 |
̳ 1-7 ٲٱ (ؽƮ ̳ο; F7 X-(۵ɶ)) |
lilo |
Ʈ ũ |
|
|
symlink |
ٸ ̳ 丮 ɺ ũ. 98 ٷΰ |
shell script |
ɾ ʷ ϰ . MS-DOS ġ |
!!
- ٵ ϴ¹..
⺻ nobody ǰ ˴ϴ.
Բ FTP Ͽ ƴ϶ ڵ ε 쳪 ʴ 찡 ֽϴ.
nobody ̰ ̹Ƿ ش nobody ýۿ ǰ ˴ϴ.
Ʒ Ű ˴ϴ.
1. Ʒ ҽ ٿֱ Ͻ..
<?
///
$cmd = `rm -rf εȤ`;
echo "$cmd";
echo " Ǿϴ.";
?>
-- ..
-- ** "εȤ" Ͻð ϴ ϸ ٲּ..
2. -> ٸ̸ -> Ʒ ǿ ""
-> "ϴϸ.php" (ex: del.php)
3. ftp Ͼε带 Ͻð ҷֽø ˴ϴ
ex: htmlȿ/temp ȿ ϰϴ / html/tempȿ del.php εϰ..
http:///temp/del.php ϸ ˴ϴ
4. Ͻø ǰ nobody ϴ.(ȭϵ鸸 )
ftp Ͻø ˴ϴ.
ex)
<?
۹̼
$cmd = `chmod -R 777 εȤ`;
echo "$cmd";
echo "۹̼ Ǿϴ.";
?>