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useradd ȯ
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/etc/default/useradd

/etc/login.defs

/etc/skel



1./etc/default/useradd

useradd ɾ ο ڸ ⺻ Ȩ ͸ , , ⺻ Ҽӱ׷, Ȩ ͸ ʱȭ ϵ ġ ϰ ִ ̴.

Group Ǵ ڰ ⺻ Ҽӵ ׷ GID Ѵ.
(useradd ɼ -g ƴ϶, -Gҷ )

Home Ǵ ڰ Ȩ ͸ġ ̴.

Libi ڰ ȴٸ, /home/libi Ȩ ͸ ڵ

ȴ.

INACTIVE Ǵ н ȿ(Ⱓ)θ

(0,-1) 1̻ ) ̴.

EXPIRE Ǵ ̴.

EXPIRE=2005-07-18̶ ñ Ǹ Ϻʹ ȴٴ ǹ̸ .

Shell Ǵ ڰ ⺻ ̴.

SKEL ڰ Ȩ ͸ ʱȯϵ ͸ ̴.



ο ڸ ó ɼ شٸ, ó ִ ɼ 켱 ⺻ Ǵ ȯ溸 켱Ѵ.

Ex #useradd –d /user/libi2 libi2

Libi2 /user/libi2 ͸ ȴ.



2. /etc/login.defs ǹ Ȱ.

#cat /etc/login.defs ȭ̴.

MAIL_DIR : ڵ ġ Ѵ.

password expires.

PASS_MAX_DAYS   99999 : Ѱ .

PASS_MIN_DAYS   0 : ּ .

PASS_MIN_LEN    5 : ڵ н ڷ ִ ּ Ʈ .

PASS_WARN_AGE   7 : 7 ڿ .



# Min/max values for automatic uid selection in useradd

UID_MIN                   500

UID_MAX                 60000

- ڵ UID MIN and MAX

# Min/max values for automatic gid selection in groupadd

GID_MIN                   500

GID_MAX                 60000

-ڵ GID MIN and MAX



CREATE_HOME     yes : ڵ Ȩ ΰ .



3. /etc/skel Ȯϱ.

/etc/skel ͸ Ȩ ͸ ڵ ϰ ͸ Ǿ ִٴ ִ.


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