̾??

comsat — biff ??????

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comsat

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comsat ?桼?ƥ????ƥ??ϼ????᡼???Υ??ݡ??Ȥ????????ꡢ ?????ӥ????׵ᤷ?Ƥ????桼?????Ф??????Τ??Ԥʤ??????Хץ??????Ǥ??? comsat ?桼?ƥ????ƥ??ϡ? “biff” ?????ӥ????? ( services(5) ?????? inetd(8) ?򻲾?) ?˴?Ϣ?????ǡ??????????ݡ??ȤΥ??å??????????????ޤ??? 1 ?ԥ??å??????ϼ??η????Ǥ?:

?⤷?????? user ???????ƥ??˥??????󤷤Ƥ??ơ????????Ƥ??줿ü???ν?ͭ?Լ¹ԥӥåȤ? ( “biff y” ?ˤ??ä?) ON ?ˤʤäƤ????С? offset ?ϥ᡼???ܥå????Υ????????ե??åȤȤ??ƻ??Ѥ??졢 ???å?????????Ƭ 7 ?Ԥ????⤷???? 560 ʸ?????桼????ü????ɽ???????ޤ??? “From”, “To”, “Date”, “Subject” ?ʳ??Υ??å??????إå??ΰ????Ȥߤʤ??????Ԥϡ? ɽ???????????å??????˴ޤޤ??ޤ?????

???ꤵ?줿 user ?????Υ????ƥ??˥??????󤷤Ƥ??ơ? ???Υ桼???˷????դ??????Ƥ???ü???Υ??롼?׼¹ԥӥåȤ? ( “biff b” ?ˤ??ä?) ?????ˤ????Ƥ??????硢 2 ?ĤΥ٥?ʸ?? (ASCII \007) ?????Υ桼????ü????ɽ???????ޤ???

mailbox-name ????ά????????, ?????ƥ?ɸ???Υ᡼???ܥå??????ƻ뤷?ޤ???

??Ϣ?ե?????

/var/run/utmp

ï???ɤ?ü???ǥ??????󤷤????????̤??ޤ???

/var/mail/user

?????ƥ?ɸ???Υ᡼???ܥå????Ǥ???

??Ϣ????

biff(1), inetd(8)

?Х?

???å??????إå??Υե??륿???󥰤ϸ??꤬???Ǥ??? ɽ?????????????ϡ??????¤Τ??ΤǤ???

???ߥ??????󤷤Ƥ????ޥ????ʳ??Υޥ????ؤΥ᡼?????????ϡ? ?桼???????Τ??????٤??Ǥ???

?????꡼??ɽ????ʬ?????䤹?????뤿???ˡ????Τ??̤Υ??????ɥ??? ɽ?????????٤??Ǥ???

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comsat ?桼?ƥ????ƥ??? 4.2BSD ?????о줷?ޤ?????