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>/dev/pts/1¹ø ºÎÅÍ ¶ß±â ½ÃÀÛÇÏ°í /dev/pts/0Àº ÀÚµ¿ÀûÀ¸·Î »ý¼ºÀÌ
>µÇ¾î Àִµ¥ /dev/pts/0Àº ¾î¶² ÀÛ¿ëÀ» Çϴ°ǰ¡¿ä...?
>±×¸®°í ¿©·¯°³ÀÇ ÇÑÅÒ Ã¢À» ¿¾ú´Ù°¡ ´ÝÀºÈÄ last root·Î È®ÀÎÇغ¸¸é
>/dev/pts8ÀÌ ¿©ÀüÈ÷ ·Î±×ÀÎÀÌ´Ù ¶ó°í ¸Þ¼¼Áö°¡ ¶ß´Âµ¥ ÀÌ·±°Ç Á¤»ó
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/dev/pts/0 ´Â Á¦ÀÏ Ã³À½ Å͹̳Π¸ðµåÀÔ´Ï´Ù.
ÇÑÅÒµµ X-window À§¿¡¼ ÀÛµ¿ÇϹǷΠ³»ºÎÀûÀ¸·Î Å͹̳θðµå·Î Á¢±ÙÇÕ´Ï´Ù.
X-window °¡ ¶ß¸é X ÀÚüµµ ³»ºÎÀûÀ¸·Î Å͹̳Π¸ðµåÀ̹ǷÎ
Çö »ç¿ëÀÚ°¡ ù¹ø° ¶ó¸é pts/0 ÀÌ µÇ°í, ÇÑÅÒÀ» ¶ç¿ì¸é pts/1 ºÎÅÍ
½ÃÀÛÇÕ´Ï´Ù.
¹°·Ð X-window °¡ ¶ç¿ì±âÀü¿¡ ¿ø°ÝÀ¸·Î ´©±º°¡ ¸ÇóÀ½ Á¢¼ÓÇϸé
±× ¸ðµå´Â pts/0 ÀÌ µË´Ï´Ù. 0 Àº ¸ÇóÀ½ Å͹̳θðµåÀÇ Á¢±ÙÀ»
¸»ÇÕ´Ï´Ù.
last log ´Â ¸»±×´ë·Î ƯÁ¤À¯Àú°¡ »ç¿ëÇÏ´Â ¸Ç¸¶Áö¸· Å͹̳Π¶Ç´Â
ÄÜ¼Ö ¸ðµå¸¦ ¸»ÇÕ´Ï´Ù.
³ª¸ÓÁö´Â ¸ðµÎ Á¤»óÀûÀ̹ǷΠũ°Ô ½Å°æ¾²Áö ¾Ê¾Æ¾Æµµ µË´Ï´Ù.
>[»êÀÌ]´ÔÀÌ ³²±â½Å ±Û:
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>>[°¿ë]´ÔÀÌ ³²±â½Å ±Û:
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>>>´Ã ÁÁÀº ´äº¯¿¡ °¨»ç µå¸³´Ï´Ù..
>>>Á» ±âº»ÀûÀÎ Áú¹®ÀÏÁö ¸ð¸£Áö¸¸
>>>last root ÀÌ·± ½ÄÀ¸·Î ·Î±×ÀÎ/¾Æ¿ô ½Ã°£À» üũÇϵµ·Ï
>>>¸í·ÉÀ» ³»¸®¸é pts/0 pts/1 ÀÌ·± ½ÄÀ¸·Î ³ª¿À´Âµ¥
>>>Á¤È®ÇÏ°Ô pts/¼ýÀÚ ¸¦ ¾î¶²½ÄÀ¸·Î ÀÌÇØÇØ¾ß Çϳª¿ä..
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>>========================================
>>
>>TTY(teletypewriter) Ç׸ñÀº ¸®´ª½º µð¹ÙÀ̽º µå¶óÀ̺êÁß¿¡¼ ÄܼÖÀ̳ª Å͹̳ÎÀ»
ÀǹÌÇÕ´Ï´Ù.
>>
>>- Äָܼðµå
>>¸ð´ÏÅÍ, Å°º¸µå·Î Á÷Á¢ º»Ã¼¿¡ ¿¬°áµÈ ¸ðµå¸¦ ¸»ÇÏ°í,
>>2¹ø° ÄֺܼÎÅÍ°¡ °¡»óÄܼÖÀÔ´Ï´Ù. µÎ¹ø° ¸ð´ÏÅÍ, Å°º¸µå´Â
>>½ÇÁ¦·Î Á¸ÀçÇÏÁö ¾ÊÀ¸´Ï±ñ '°¡»ó(pseudo)'À̶ó´Â
¸»ÀÌ ºÙ½À´Ï´Ù.
>>Ctrl + Alt + F2 ¸¦ ´©¸£¸é µÎ¹ø° °¡»óÄַܼΠ°©´Ï´Ù.
>>
>>tty0, tty1, tty2 ...
>>
>>ÀÌ·±½ÄÀ¸·Î ³ª¿µÇ°í »ç¿ë°¡´ÉÇÑ ÄܼÖÀº 6¹ø±îÁö ÀÖ½À´Ï´Ù.
>>7¹ø ºÎÅÍ´Â X-À©µµ¸¦ ¸»ÇÏ°í, À̶§´Â ttyN ÀÌ ¾Æ´Ñ pts/N À¸·Î
>>½ÃÀ۵˴ϴÙ.(/etc/inittab
ÆÄÀÏ¿¡ Á¦ÇÑÀ» µÑ ¼ö ÀÖÀ½)
>>
>>(Âü°í ttyS0, ttyS1, ... ÀÌ°ÍÀº ½Ã¸®¾ó ÄܼÖÀ» ÀǹÌÇÔ)
>>
>>
>>- Å͹̳θðµå
>>
>>ÀÌ°ÍÀº º»Ã¼¿¡ LAN À¸·Î ¿¬°áµÈ ¸ðµå¸¦ ¸»Çϸç, ¿ø°ÝÁ¢¼ÓÀ»
>>ÀǹÌÇÕ´Ï´Ù.PTY(pseudo-terminal,
°¡»óÅ͹̳Î)
>>
>>- PTS
>>
>>ÀÌ°ÍÀº Unix98 PTYs ¸¦ ¸»ÇÕ´Ï´Ù. ¸®´ª½º Ä¿³Î ¿É¼Ç¿¡,
>>/dev/pts file system for Unix98 PTYs ÀÌ ºÎºÐÀ» ÀǹÌÇÏ°í,
>>ÆÄÀÏ ½Ã½ºÅÛÀÔ´Ï´Ù. ¶ÇÇÑ X-window ¿¡¼µµ pts/N ÀÔ´Ï´Ù.
>>
>>...
>>
>>shell> tty
>>/dev/pts/3
>>
>>ÇöÀç Àú °°Àº °æ¿ì´Â /dev/pts/3 ¹øÀ» »ç¿ëÇÏ°í Àֳ׿ä.
>>
>>/dev/pts/N Çü½ÄÀ¸·Î ·Î±×ÀÎÇÒ¶§ ¸¶´Ù ¼øÂ÷ÀûÀ¸·Î ¸¸µé¾îÁý´Ï´Ù.
>>
>>devices
>> |
>> |-- ...
>> |-- TTY (teletypewriter, ÄÜ¼Ö or Å͹̳Î)
>> | |
>> | |-- PTY (pseudo-terminal, Å͹̳Î)
>> | |
>> | `-- PTS (Unix98 PTYs, Å͹̳Î, X-window)
>> |
>> `-- ...
>>
>>À§°èµµ°¡ ¸Â´ÂÁö ¸ð¸£°ÚÁö¸¸ ´ëÃæ ÀÌ·± °èÃþÀÔ´Ï´Ù
>>
>>Âü°í)
>>script, tee, /dev/pts µîµîÀ» Á¶ÇÕÇϸé Àç¹ÌÀÖ´Â Çö»ó(?)ÀÌ
>>ÀϾ´Ï´Ù.
>>
>>ex)
>>
>>shell> tty
>>/dev/pts/1
>>
>>shell> who
>>san2 pts/1 ...
>>san2 pts/2 ...
>>
>>shell> script -a | tee /dev/pts/2
>>shell> ls
>>...(also append to /dev/pts/2)
>>...
>>shell> exit (script Á¾·á)
>
>========================================
========================================
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