sleep
sleep is a Linux command in the Date & Time category, rated intermediate difficulty. Delays execution for a specified amount of time. The syntax is sleep NUMBER[su]. Key options and parameters: NUMBER — time to sleep (s/m/h/d default s). It returns none (delay). A practical example: sleep 5 # Wait 5 seconds sleep 1m # Wait 1 minute sleep 2h # Wait 2 hours sleep 0.5 # Wait 0.5 seconds A close relative is date, which displays or sets the system date and time. A close relative is cal, which displays a calendar in the terminal. A close relative is time, which measures the execution time of a command (real, user, sys). More about this category: Linux date and time commands — date, cal, timedatectl, and more. View and set system date and time. Related Date & Time commands: date, cal, time, crontab, at, hwclock, timedatectl, ntpdate.