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½Ã½ºÅÛ °ü¸® ¹× ½Ç½À #5 |
1. ½Ã½ºÅÛ µð·ºÅ丮 ±¸Á¶ È®ÀÎ ¹× ¿ä¾à |
/ ->> The root of the overall file file system namespace. /bin ->> /usr/bin?symbolic link /dev ->> ·ÎÄà ÀåÄ¡ µð·ºÅ丮.?? /devices symbolic link /devices ->>? ¹°¸®ÀåÄ¡À̸§ /etc ->> host -specific configuration /export ->> default directory for commonly shared file systems , user's home directory /home ->> mount point for a user's home directory /kernel ->> platform independent loadable kernel moudules /mnt ->> temporary mount point /opt ->. default directory or mount point for add-on application packages /platform ->> platform-dependent loadable kernel modules /sbin ->> single-user bin directory / booting process and manual system-failure recovery /tmp ->> tempoary files /usr ->> all user's application /var ->> temporary , logging, or status files /dev µð·ºÅ丮 /dev/cua ->> dial -out devicd files (UUCP), (PPP) /dev/dsk ->> block disk devices /dev/fbs ->> Frame buffer device files /dev/fd ->> file descriptors /dev/md ->> Logical volume management metadisk devices /dev/pts ->> Pseudo terminal devices /dev/rdsk ->> Raw disk devices /dev/rmt ->> Raw magnetic tape devices /dev/sound ->> Audio devices and audio-device control files /dev/term ->> Serial devices /etc µð·ºÅ丮 /etc/acct ->> Configuration information for the accounting system /etc/cron.d ->>Configuration information for the cron utility * Á¤±âÀû ÀÛ¾÷½ÇÇà /etc/default ->> ´Ù¾çÇÑ ÇÁ·Î±×·¥µé¿¡ ´ëÇÑ Default Á¤º¸ /etc/inet ->> ³×Æ®¿öÅ© ¼ºñ½ºµé ÀÇ Configuration ÆÄÀϵé /etc/init.d ->> run ·¹º§À» º¯È¯Çϴµ¿¾È ½ÃÀÛ/ÁßÁö ¼ºñ½ºµéÀÇ ½ºÅ©¸³Æ®µé /etc/lib ->> /usr ÆÄÀÏ ½Ã½ºÅÛÀÌ ÀÌ¿ë ºÒ°¡´ÉÇÒ¶§ µ¿Àû ¸µÅ· ¶óÀ̺귯¸®·Î ÇÊ¿ä /etc/lp ->> ÇÁ¸°ÅÍ ¼ºê ½Ã½ºÅÛ ¼³Á¤ Á¤º¸ /etc/mail ->> ¸ÞÀÏ ¼ºê½Ã½ºÅÛ ¼³Á¤ Á¤º¸ /etc/nfs ->> NFS(Network File System) server logging /etc/opt ->> optional packages Á¤º¸ /etc/rc#.d ->> run ·¹º§ Á¤Àǽà ½ÇÇàµÇ´Â ½ºÅ©¸³Æ®µé /etc/skel ->> Ãʱâ ÈÀϵéÀÇ Templete files /usr µð·ºÅ丮 /usr/bin? ->> Standard system commands /usr/ccs ->> C-compilation ÇÁ·Î±×·¥µé°ú ¶óÀ̺귯¸® µé /usr/demo ->> Demonstration? ÇÁ·Î±×·¥µé °ú µ¥ÀÌÅÍ /usr/dt ->> ÀÏ¹Ý µ¥½ºÅ©Åé ȯ°æ dt (desk top ) Common Desktop Environment /usr/include ->>Çì´õÆÄÀÏ /usr/java ->> ÀÚ¹Ù ±â¼ú ÇÁ·Î±×·¥µé°ú ¶óÀ̺귯¸®µé /usr/kernel ->> Ç÷§Æû µ¶¸³ÀûÀÎ Ä¿³Î ¸ðµâµéÀ» ºÎÆðúÁ¤ µ¿¾È ·Îµå ÇÑ´Ù /usr/lib ->> ´Ù¾çÇÑ ÇÁ·Î±×·¥ ¶óÀ̺귯¸® , µ¥ÀÌÅͺ£À̽ºµéÀÇ µ¶¸³ÀûÀÎ ¾ÆÅ°ÅØÃÄ, ¹ÙÀ̳ʸ®µé /usr/opt ->> optional packages /usr/sbin ->> ½Ã½ºÅÛ °ü¸® ¸í·É¾î /usr/spool ->> /var/spool? Symbolic link |
2. 4ÀÚ¸® ÆÛ¹Ì¼Ç ±¸Á¶ ÀÌÇØ ¹× ½Ç½À (stcky, setuid, setgid) |
sticky - 1000 : ¸ðµç »ç¿ëÀÚ°¡ Àбâ, ¾²±â, ½ÇÇàÀÌ °¡´ÉÇÏ°Ô ¼³Á¤ setuid - 4000 : ÆÄÀÏÀÇ ¼ÒÀ¯ÀÚ ±ÇÇÑÀÌ ¾Æ´Ñ »ç¿ëÀÚ ±ÇÇÑÀ¸·Î Àбâ, ¾²±â, ½ÇÇàÀÌ °¡´ÉÇϵµ·Ï ¼³Á¤ setgid - 2000 : ÆÄÀÏÀÇ ¼ÒÀ¯ÀÚ ±ÇÇÑÀÌ ¾Æ´Ñ ±×·ìÀÇ ±ÇÇÑÀ¸·Î Àбâ, ¾²±â, ½ÇÇàÀÌ °¡´ÉÇϵµ·Ï ¼³Á¤ |
3. umask È®ÀÎ ¹× ½Ç½À |
»ç¿ëÀÚ°¡ ¸¸µå´Â °¢ ÆÄÀÏÀÇ ±âº»¼Ó¼ºÀ» ¼³Á¤Çϴµ¥ »ç¿ëµÈ´Ù. umask -S ¸í·É¾î¸¦ Ä¡¸é ÇöÁ¦ÀÇ umask °ªÀ» ¾Ë ¼ö ÀÖ´Ù. chmod¿Í´Â ´Þ¸® 7¿¡¼ Àбâ, ¾²±â, ½ÇÇàÀÇ °ªÀ» »©¼ Àû¿ëÇÑ´Ù. ±×·¯¸é·Î umask 022 = chmod 755ÀÌ´Ù. |
4. manÀ¸·Î ls, lsattr ±â´É È®ÀÎ ¹× Á¤¸® |
ls - ÆÄÀÏÀÇ Á¤º¸¸¦ Ãâ·ÂÇÑ´Ù. ÇöÀçÀÇ Æú´õ¿¡ ÀÖ´Â ÆÄÀÏÀÇ Á¤º¸¸¦ »ç¿ëÀÚ¿¡°Ô º¸¿©ÁÖ´Â ¸í·É¾î. -l : ÆÄÀÏÀÇ ¼¼ºÎÁ¤º¸¸¦ º¸¿©ÁØ´Ù. -a : ¼û°ÜÁ® ÀÖ´Â ÆÄÀϱîÁö º¸¿©ÁØ´Ù. -d : µð·ºÅ丮ÀÇ Á¤º¸¸¦ º¸¿©ÁØ´Ù. -A : .°ú ..¸¦ Á¦¿ÜÇÑ ¸ðµç ÆÄÀÏ Á¤º¸¸¦ º¸¿©ÁØ´Ù. -R : ¼ºêµð·ºÅ丮ÀÇ ÆÄÀϱîÁö º¸¿©ÁØ´Ù. -t : °¡Àå ÃÖ±ÙÀÇ ÆÄÀϺÎÅÍ º¸¿©ÁØ´Ù. -r : ¹Ý´ë·Î °¡Àå ¿À·¡µÈ ÆÄÀϺÎÅÍ º¸¿©ÁØ´Ù. -m : ÆÄÀÏ°ú ÆÄÀÏ»çÀÌ¿¡ ,·Î ±¸ºÐÇÏ¿© º¸¿©ÁØ´Ù. -i : I-nodeÀÇ ¼ö¸¦ Ãâ·ÂÇÏ¿© º¸¿©ÁØ´Ù. -s : ÆÄÀÏÀ» ų·Î¹ÙÀÌÆ® ´ÜÀ§·Î Ãâ·ÂÇÏ¿© º¸¿©ÁØ´Ù. lsattr : ¸®´ª½º °³Á¤ È®Àå ÆÄÀϽýºÅÛÀÇ Á¤º¸¸¦ Ãâ·ÂÇÏ¿© º¸¿©ÁØ´Ù. -v : ÆÄÀÏ ¹öÀüÀ» Ãâ·ÂÇÑ´Ù. -R : ¼ºêµð·ºÅ丮ÀÇ ÆÄÀÏ Á¤º¸±îÁö Ãâ·ÂÇÏ¿© º¸¿©ÁØ´Ù. -a : ¸ðµç ÆÄÀÏÀ» Ãâ·ÂÇÏ¿© º¸¿©ÁØ´Ù. -d : µð·ºÅ丮ÀÇ Á¤º¸¸¦ Ãâ·ÂÇÏ¿© º¸¿©ÁØ´Ù. chattr : ¸®´ª½º °³Á¤ È®Àå ÆÄÀϽýºÅÛÀÇ Á¤º¸¸¦ ¼öÁ¤ÇÑ´Ù. -v : ÆÄÀÏ ¹öÀüÀ» ¼öÁ¤ÇÑ´Ù. -V : º¯ÈµÈ ÆÄÀÏÀÇ ¹öÀüÀ» Ãâ·ÂÇÑ´Ù. -R : ¼ºêµð·ºÅ丮ÀÇ ÆÄÀϱîÁö º¯°æÇÑ´Ù. a : ÆÄÀÏÀ» ¾µ¶§ ¿À·ÎÁö Ãß°¡¼Ó¼ºÀ¸·Î¸¸ ¾µ¼ö ÀÖ´Ù. c : Ä¿³Î¿¡ ÀÇÇØ µð½ºÅ©»óÀÇ ¾ÐÃà »óŸ¦ ÀúÀåÇÑ´Ù. d : dump(8)¸í·É¾î ½ÇÇà½Ã ¹é¾÷µÇÁö ¾Ê´Â´Ù. i : ÆÄÀÏÀ» ¼öÁ¤Çϰųª »èÁ¦ÇÒ ¼ö ¾ø´Ù. u : ÆÄÀÏÀÌ Áö¿öÀúµµ ³»¿ëÀÌ µð½ºÅ©»ó¿¡ ÀúÀåµÈ´Ù. ´Ù½Ã »ì¸± ¼öµµ ÀÖ´Ù. |
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1.½Ã½ºÅÛ µð·ºÅ丮 ±¸Á¶ È®ÀÎ |
2.4ÀÚ¸® ÆÛ¹Ì¼Ç ±¸Á¶ |
3.umask |
4.manÀ¸·Î ls, lsattr ±â´É È®ÀÎ |
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