Introduction
The Linux command watch is a powerful tool that allows users to monitor the output of a command at regular intervals. It is useful for monitoring the output of a command over time, or for keeping an eye on a process that is running in the background. The watch command can be used to monitor the output of any command, including system commands, scripts, and applications. It can also be used to monitor the output of multiple commands at once. With watch, users can easily keep track of changes in the output of a command over time.
Examples
1. ls: The ls command is used to list the contents of a directory.
Example: ls -l
This command will list the contents of the current directory in long format.
2. cd: The cd command is used to change the current working directory.
Example: cd /home/user/Documents
This command will change the current working directory to the Documents directory in the user’s home directory.
3. mkdir: The mkdir command is used to create a new directory.
Example: mkdir my_new_directory
This command will create a new directory called my_new_directory in the current working directory.
4. rm: The rm command is used to remove files or directories.
Example: rm my_file.txt
This command will remove the file my_file.txt from the current working directory.
Watch Linux Command
The watch command in Linux is used to execute a program periodically and show a fullscreen output. It is useful for watching the output of a program or command over time. The watch command can be used to monitor the output of a command or program periodically. It is useful for monitoring the output of a program or command over time.
The basic syntax of the watch command is:
watch [options] command
The watch command takes the following options:
- -n: Specify the interval in seconds between each execution of the command.
- -d: Highlight the differences between successive updates.
- -t: Don’t print the header.
- -p: Don’t clear the screen between updates.
The watch command is useful for monitoring the output of a command or program over time. It can be used to monitor the output of a program or command periodically. It is also useful for monitoring the output of a program or command over time.