hosts 파일

브라우저가 도메인에 해당하는 IP를 찾는 순서

1. local cache를 검색한다. 
2. hosts 파일을 검색한다. 
3. 도메인 네임서버을 검색한다.

hosts 파일의 위치

Operating System	Version(s)	Location
Unix, Unix-like, POSIX		/etc/hosts[2]
Microsoft Windows	3.1	%Windir%\HOSTS
	95, 98/98SE, Me	%WinDir%\hosts[3]
	NT, 2000, XP (x86 & x64),[4] 2003, Vista, 7	%SystemRoot%\system32\drivers\etc\hosts[5]
Windows Mobile		Registry key under \HKEY_LOCAL_MACHINE\Comm\Tcpip\Hosts
Apple Macintosh	9 and earlier	System Folder: Preferences or System folder
	Mac OS X 10.0 – 10.1.5 [6]	(Added through NetInfo or niload)
	Mac OS X 10.2 and newer	/private/etc/hosts [6] (or /etc/hosts, since /etc is a symbolic link to /private/etc)
Novell NetWare		SYS:etc\hosts
OS/2 & eComStation		"bootdrive":\mptn\etc\
Symbian	Symbian OS 6.1–9.0	C:\system\data\hosts
	Symbian OS 9.1+	C:\private\10000882\hosts
MorphOS	NetStack	ENVARC:sys/net/hosts
AmigaOS	4	DEVS:Internet/hosts
Android		/system/etc/hosts (or /etc/hosts, since /etc is a symbolic link to /system/etc)
iOS	iOS 2.0 and newer	/private/etc/hosts (or /etc/hosts, since /etc is a symbolic link to /private/etc)
TOPS-20		<SYSTEM>HOSTS.TXT
Plan 9		/lib/ndb/hosts

참고 

• 위키피디아 hosts (file)
• 맥에서 hosts파일 변경하는 방법
• 리눅스에서 hosts파일 변경하는 방법