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1.1 ! root 1: .TH SYNC 8 ! 2: .CT 1 sa_nonmortals ! 3: .SH NAME ! 4: sync, update \- update disk file systems ! 5: .SH SYNOPSIS ! 6: .B sync ! 7: .PP ! 8: .B /etc/update ! 9: .SH DESCRIPTION ! 10: .I Sync ! 11: executes the ! 12: .IR sync (2) ! 13: system primitive, ! 14: to suggest that all disk writes be completed soon. ! 15: It is wise to call ! 16: .I sync ! 17: before halting the system. ! 18: .PP ! 19: .I Update ! 20: calls ! 21: .IR sync (2) ! 22: every 30 seconds, ! 23: so that file systems ! 24: are fairly well up to date ! 25: if the system crashes. ! 26: It should be run once ! 27: from ! 28: .IR rc (8). ! 29: .SH "SEE ALSO" ! 30: .IR sync (2), ! 31: .IR reboot (8)
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