�� Ʈ Ȱ�� Ͽ�� (The Linux Printing Usage HOWTO): �� ȯ�濡��

2. �� ȯ�濡��

�� (section)�� , ��Ʈť(queue)�� , ��Ʈ ť�� (��) �۾�(job)�� , �� ϱ� �� ȯ�ϱ�, ��Ʈ ȯ�漳�� ؼ� ��Ѵ�.

2.1 �� ȯ�濡�� õ��(History of Linux Printing)

�� ý��---lp(Line Printer) �ý��---�� BSD(Berkeley Software Distribution)�� н�(UNIX)�� ؼ� �ۼ�� ҽ��ڵ带 ��(porting)�� ̴�.

2.2 lpr�� ̿�� (Printing a File Using lpr)

�� ϴ� �� Ʈ ��̽�(print device)�� ٷ� �� (redirection)�̴�. �̷�� ϱ� ��ؼ� cat ��ɾ �̿�� ִ�. root �� ¿�� ϸ� �ȴ�.


# cat thesis.txt > /dev/lp

�� , /dev/lp�� Ʈ �۾�� ϴ� ��̽�---��Ʈ ��, ��, Ÿ�Լ��(typesetter) �Ǵ� �÷�� ---�� ɺ�� ũ(symbolic link)�ϻ��̴�. �ɺ�� ũ�� ؼ� �ڼ�� ϸ� ln(1)�� ϶�.

��ȹ�� root�� print ��(daemon)�� ϵ� �׷�� ڸ�� ̽�� ϴ�. �׷�� ͸� ��ϱ� ��ؼ�� lpr, lprm, lpq�� ؾ� �Ѵ�.

�̷�� , ��ڴ� �� ϱ� ��ؼ�� lpr�� ̿��ؾ� �Ѵ�. lpr�� ؼ� �ʿ�� �� ʱ�ȭ �� lpd(line printer daemon)�� Ѱ� �ش�. lpd�� Ϳ�� ϴ� �� Ѵ�.

lpr�� Ǹ鼭 lpd�� ۾�� ĥ �� (��ϵ��) �� ϰ� �ֵ�� Ư�� 丮(��Ǯ ��丮)�� ش�� Ѵ�. �ϴ� lpd�� ִٰ� �뺸�� ڽ� �ڽ�� Ѵ�.(��α׷��ӵ�� forking�̶�� ϴ� ��̴�) �� 纻�� 䱸�� ٸ�� ش�� Ѵ�. �̷�� ν� ��ÿ� �� ۾�� ų �� ִ�.

lpd�� (lpd(1)�� )�� ϴ�.


$ lpr [ options ] [ filename ... ]

��ϸ��� ʴ� ��, lpr�� ǥ��Է�(standard input) (�밳 Ű�� Է��̰ų� �ٸ� ��α׷�� ǥ��̴�) �� Է¹ޱ⸦ ��ٸ��. �̰�� ڰ� �ٸ� ��α׷�� ǥ�� (redirect)�Ͽ� �� Ǯ�� (print spooler)�� ϴ� �� Ѵ�.


$ cat thesis.txt | lpr

�Ǵ�,


$ pr -l60 thesis.txt | lpr

��ڴ� ��� ɼ�� ̿��Ͽ� lpr�� ۵�� ִ�. �� θ� ��̴� �ɼ��δ� �� . -P��̸� �� ͸� ��Ѵ�. -h �� burst page�� ʵ�� Ѵ�.(��: suppresses printing of the burst page) -s �� ϸ� �� Ǯ ��丮�� ϴ� �� ɺ�� ũ(symbolic link)�� Ѵ�. (ũ�Ⱑ ū ��½� ��ϴ�) -#�� ̿��ؼ� �� ִ�. lpr�� ȣ�ۿ뿡 �� .


$ lpr -#2 -sP dj thesis.txt

�� thesis.txt�� Ǯ ��丮�� ɺ��ũ�ϸ� dj �� ̸�� (��) ��ͷ� ��ϴµ�, �̴� lpd�� ؼ� ó��ȴ�. �׷� �� thesis.txt�� 徿 ��Ѵ�.

lpr�� 밡�� ɼ�� ؼ�� lpr(1)�� ϶�.

2.3 lpq�� ̿�� Ʈť ��(Print Queue with lpq)

��Ʈť(print queue)�� θ� �� ؼ� lpq ��ɾ �̿��Ѵ�. �ɼǾ�� Ű�� ⺻��(default) ��ť�� ش�.

lpq�� ִ� �� 鿡�� ϴ�.


$ lpq
lp is ready and printing
Rank   Owner      Job  Files                            Total Size
active mwf        31   thesis.txt                       682048 bytes

2.4 lprm�� ̿�� ۾� ��(Canceling a Print Job Using lprm)

��Ʈ �ý�� Ʈť�� ִ� ��Ʈ �۾�� ִ� ��ɵ� �ִ�. �̸� ��ؼ� lprm�� ̿��Ѵ�.


$ lprm -

�� ڿ�� (owned) �� Ʈ �۾�� ҵȴ�. �� Ʈ �۾�� lprm�� lpq�� ˷��ִ� �۾��ȣ�� Ͽ� ��ҽ�ų�� ִ�. �� ϶�.


$ lprm 31

�۾��ȣ 31(thesis.txt)�� ҽ�Ų��.

2.5 lpc�� ̿�� lpd ��(Controlling the lpd program with lpc)

lpc(8)�� lpd�� ó��ϴ� ��͸� ��ϱ� �� ȴ�. �� Ǵ� ��Ʈ ť�� Ȱ��ȭ �Ǵ� ��Ȱ��ȭ��ų �� , ��Ʈť �� ۾�� 迭�� , ��Ϳ� ��Ʈť�� Ȳ�� ޾� �� ִ�. lpc�� ڽ�� Ͱ� ��Ǿ� �ִ� ��쿡 �� ȴ�.


$ lpc

�� lpc ��α׷�� Ų��. �⺻��(default)�� ؼ� ��ȣ ��ȭ��(interactive mode)�� Ǹ�, �� ɾ �� ִ�. �� ۿ� �� ɼ�� lpc ��ɾ �� ִ�.


$ lpc status all

lpd�� 밡�� ɾ� �� , �� ۿ�� �� ٽ� �� �ִ�. option�� ǥ�õ� �κп�� ̸�(lp, print, ps, ��Ÿ)�̳� �� ͸� �ǹ��ϴ� Ű�� all�� Է��ϸ� �ȴ�.

disable option - �� Ϳ�� ο� �� ۾�� Ѵ�.
down option - �� ͸� �� Ѵ�.
enable option - ��ο� �� ۾�� ϰ� �Ѵ�.
quit (or exit) - lpc�� ´�.
restart option - �� Ϳ� ��ؼ� lpd�� ٽ� ��ϰ� �Ѵ�.
status option - �� (��)��
up option - �� ȯ�� Ȱ��ȭ(enable)��Ű��, ��ο� lpd �� Ų��.

��

2. ������ ȯ�濡�� �������

2.1 ������ ȯ�濡���� ������� ��õ��(History of Linux Printing)

2.2 lpr�� �̿��� ���� ���(Printing a File Using lpr)

2.3 lpq�� �̿��� ����Ʈť ����(Print Queue with lpq)