sleep is a command-line utility that allows you to suspends the calling process for a specified time. In other words, the sleep command pauses the execution of the next command for a given number of seconds.
How to Use the sleep Command
- s – seconds (default)
- m – minutes.
- h – hours.
- d – days.
How do you pause a shell script?
On the command line type sleep , a space, a number, and then press Enter. The cursor will disappear for five seconds and then return. What happened? Using sleep on the command line instructs Bash to suspend processing for the duration you provided.
How do you pause a command in Linux?
There is no pause command under Linux/UNIX bash shell. You can easily use the read command with the -p option to display pause along with a message.
When you press CTRL-C the current running command or process get Interrupt/kill (SIGINT) signal. This signal means just terminate the process. Most commands/process will honor the SIGINT signal but some may ignore it. You can press Ctrl-D to close the bash shell or open files when using cat command.
How do I pause a Linux terminal?
Fortunately, its easy to pause it through the shell. Just hit ctrl-z to suspend the program. This will bring you back to the terminal prompt, allowing you to run another program if you choose.
How do I kill a bash script?
You can terminate that script by pressing Ctrl+C from terminal where you started this script. Of course this script must run in foreground so you are able to stop it by Ctrl+C.
How do I kill an app in Linux?
Depending on your desktop environment and its configuration, you may be able to activate this shortcut by pressing Ctrl+Alt+Esc. You could also just run the xkill command — you could open a Terminal window, type xkill without the quotes, and press Enter.
How do I wait in Linux?
When wait command is executed with $process_id then the next command will wait for completing the task of the first echo command. The second wait command is used with ‘$! ‘ and this indicate the process id of the last running process.
How do you introduce a delay in shell script?
Within the script you can add the following in between the actions you would like the pause. This will pause the routine for 5 seconds. read -p “Pause Time 5 seconds” -t 5 read -p “Continuing in 5 Seconds….” -t 5 echo “Continuing ….”
How do I run a shell script?
Steps to write and execute a script
- Open the terminal. Go to the directory where you want to create your script.
- Create a file with . sh extension.
- Write the script in the file using an editor.
- Make the script executable with command chmod +x <fileName>.
- Run the script using ./<fileName>.
What is use of split command?
Split command in Linux is used to split large files into smaller files. It splits the files into 1000 lines per file(by default) and even allows users to change the number of lines as per requirement.
How do I code a bash script?
To create a bash script, you place #!/bin/bash at the top of the file. To execute the script from the current directory, you can run ./scriptname and pass any parameters you wish. When the shell executes a script, it finds the #!/path/to/interpreter .
Who command in Linux?
The standard Unix command who displays a list of users who are currently logged into the computer. The who command is related to the command w , which provides the same information but also displays additional data and statistics.
How do I put Linux to sleep?
sleep command is used to create a dummy job. A dummy job helps in delaying the execution. It takes time in seconds by default but a small suffix(s, m, h, d) can be added at the end to convert it into any other format. This command pauses the execution for an amount of time which is defined by NUMBER.
How do I pause a download in Ubuntu terminal?
So make sure to only “pause” (close) the terminal when it’s downloading, not installing.
If you want to restart the download after using Ctrl + z :
- Check paused tasks by typing jobs in the terminal.
- To resume a process, type fg.
- If you have multiple tasks, then type fg 1 , fg 2 , etc…
How do you stop a process running in Ubuntu terminal?
How Do I End a Process?
- First select the process that you want to end.
- Click on the End Process button. You will get a confirmation alert. Click on “End Process” button to confirm that you want to kill the process.
- This is the simplest way way to stop (end) a process.