.TH SLEEP 1 .SH NAME sleep \- suspend execution for an interval .SH SYNOPSIS .B sleep time .SH DESCRIPTION .I sleep suspends execution for .I time seconds. It is used to execute a command after a certain amount of time as in: .PP (sleep 105; command)& .PP or to execute a command every so often, as in: .PP while true .br do .br command .br sleep 37 .br done .SH "SEE ALSO" alarm(2), sleep(3) .SH BUGS .I time must be less than 2147483647 seconds.