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1.1 ! root 1: .TH SWAPON 8 "4 February 1983" ! 2: .UC 4 ! 3: .SH NAME ! 4: swapon \- specify additional device for paging and swapping ! 5: .SH SYNOPSIS ! 6: .B "/etc/swapon" ! 7: .B \-a ! 8: .br ! 9: .B "/etc/swapon" ! 10: name ... ! 11: .SH DESCRIPTION ! 12: .I Swapon ! 13: is used to specify additional devices on which paging and swapping ! 14: are to take place. ! 15: The system begins by swapping and paging on only a single device ! 16: so that only one disk is required at bootstrap time. ! 17: Calls to ! 18: .I swapon ! 19: normally occur in the system multi-user initialization file ! 20: .I /etc/rc ! 21: making all swap devices available, so that the paging and swapping ! 22: activity is interleaved across several devices. ! 23: .PP ! 24: Normally, the ! 25: .B \-a ! 26: argument is given, causing all devices marked as ``sw'' ! 27: swap devices in ! 28: .B /etc/fstab ! 29: to be made available. ! 30: .PP ! 31: The second form gives individual block devices as given ! 32: in the system swap configuration table. The call makes only this space ! 33: available to the system for swap allocation. ! 34: .SH SEE ALSO ! 35: swapon(2), init(8) ! 36: .SH FILES ! 37: .DT ! 38: /dev/[fsd]?b normal paging devices ! 39: .SH BUGS ! 40: There is no way to stop paging and swapping on a device. ! 41: It is therefore not possible to make use of devices which may be ! 42: dismounted during system operation.
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