ZIC(8) System Manager's Manual ZIC(8) NAME zic - zic [ -v ] [ -d directory ] [ -l localtime ] [ -p posixrules ] [ -L leapsecondfilename ] [ -s ] [ -y command ] [ filename ... ] Zic - : -d -l Zic () () -p POSIX Zic () ()POSIX -L , : GMT (Greenwich Mean Time) Greenwich 1948133 (TAI) , TAI 800ms UTC (Universal Coordinated Time) PC , UTC UTC /Andrew S. Tanebaum -: 1999.11 11 11.1.2 5 5.4.1 -v time(2) () -s SVVS : UNIX 1970112038 1901Linux 1970112106 ( ANSI C ) /Andrew S. Tanebaum -: 1999.11 5 5.4.2 -y yearistype () ( TAB) # # () : Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S : Rule US 1967 1973 - Apr lastSun 2:00 1:00 D : NAME FROM ...() minimum () maximum () TO ...() only () FROM TYPE TYPE - FROM TO Zic yearistype year type : 0 0 IN ...() ON ...() 5 5 lastSun lastMon Sun>=8 8 ( 8 ) Sun<=25 25 ( 25 ) ON AT ...() 2 2:00 : 15:00 24 () 1:28:14 :: 0 24 "" w "" s u g z "" ""(GMT+8), GMT+9() SAVE AT ( w s ) LETTER/S "" ( "EST" "S" "EDT" "D") - Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL] Zone Australia/Adelaide 9:30 Aus CST 1971 Oct 31 2:00 : NAME GMTOFF GMT- UTC AT SAVE () UTC RULES/SAVE / - FORMAT %s "" / () UNTIL UTC UTC INON AT "" "Zone" UNTIL UTC UNTIL zome 1 2 2 3 n Link LINK-FROM LINK-TO Link Europe/Istanbul Asia/Istanbul LINK-FROM NAME LINK-TO : Leap YEAR MONTH DAY HH:MM:SS CORR R/S Leap 1974 Dec 31 23:59:60 + S YEAR MONTH DAY HH:MM:SS CORR "+" "-" UTC R/S S ( "Stationary" ) R/S R( "Rolling") AT /usr/local/etc/zoneinfo newctime(3), tzfile(5), zdump(8) [] mhss [] 2000/12/05 [ Linux man ] http://cmpp.linuxforum.net man man https://github.com/man-pages-zh/manpages- zh ZIC(8)