How to use the command 'numlockx' (with examples)

The ’numlockx’ command is used to control the number lock key status in X11 sessions. It provides a simple way to query and change the current number lock state. This can be useful in situations where you want to ensure that the number lock is either on or off for specific tasks or applications.

Use case 1: Show the current number lock status

Code:

numlockx status

Motivation: This use case allows you to check the current status of the number lock key. It can be helpful to determine whether the numlock is already enabled or disabled.

Explanation: The ‘status’ argument is used with the ’numlockx’ command to query the current number lock status. When executed, it will display the current state of the number lock key as either “on” or “off”.

Example output:

numlock is on

Use case 2: Turn the number lock on

Code:

numlockx on

Motivation: Sometimes you may prefer to have the number lock key enabled, especially if you frequently use the numeric keypad on your keyboard. This use case allows you to easily turn on the number lock.

Explanation: The ‘on’ argument is used with the ’numlockx’ command to turn on the number lock. When executed, it will enable the number lock key.

Example output: (No output is generated when turning on the number lock)

Use case 3: Turn the number lock off

Code:

numlockx off

Motivation: In certain situations, you may want to disable the number lock key, especially if you are primarily using the alphanumeric keys on your keyboard. This use case provides a straightforward way to turn off the number lock.

Explanation: The ‘off’ argument is used with the ’numlockx’ command to turn off the number lock. When executed, it will disable the number lock key.

Example output: (No output is generated when turning off the number lock)

Use case 4: Toggle the current state

Code:

numlockx toggle

Motivation: This use case allows you to toggle the number lock key state, which means it will switch the current state of the number lock. If the number lock is currently enabled, it will be disabled, and vice versa.

Explanation: The ’toggle’ argument is used with the ’numlockx’ command to toggle the current state of the number lock key. When executed, it will change the current state to the opposite.

Example output: (No output is generated when toggling the number lock)

Conclusion:

The ’numlockx’ command provides an easy way to control the number lock key status in X11 sessions. It allows you to check the current status, turn the number lock on or off, and toggle between the states. With these simple commands, you can ensure that the number lock is set according to your preferences or specific requirements in a hassle-free manner.