sleep command is used to delay the execution of the current action for a specified period of time. It is a simple yet useful command that can be used in scripts or in the terminal to pause a process for a specified amount of time.
The basic syntax for the
sleep command is as follows:
TIME is the number of seconds to delay the current action. For example, to pause for 5 seconds, you would use the following command:
You can also use fractions of a second by specifying a decimal value for
TIME. For example, to pause for half a second, you would use the following command:
Here are some examples of how the
sleep command can be used:
- To pause for 10 seconds before executing the next command:
- To pause for 2.5 seconds before executing the next command:
- To pause for 1 minute before executing the next command:
- To pause for 5 seconds and then echo a message:
sleep 5 && echo "Done sleeping!"
- To pause for 2 seconds and then run a script:
sleep 2; ./myscript.sh
Specific Use Cases
sleep command can be used in a variety of situations, such as:
- Delaying the execution of a script or command until a specific time.
- Pausing a script or command to allow for the completion of another process.
- Creating a timed loop in a script.
sleep command has only one option:
|-v||Verbose mode. Prints a message to standard error before pausing.|
sleep command does not seem to be working, double-check that you have specified the correct amount of time in seconds or fractions of a second. Also, make sure that you have not accidentally added any extra characters or spaces in the command.
sleepcommand is often used in conjunction with other commands or scripts to create more complex functionality.
- The maximum value for
TIMEis dependent on the system’s timer resolution and may vary between systems.