sxiv:tldr:448f3

The command sxiv -S ${seconds} ${filename} is a command-line instruction that can be used in a terminal or command prompt to open an image file using the image viewer software called "sxiv" and set a slideshow duration for the image.

Let's break down the components of the command:

• sxiv: This is the name of the image viewer software that is being invoked. It is a lightweight and simple image viewer utility available for UNIX-like systems.
• -S ${seconds}: This part is an option or flag provided to the sxiv command. The -S flag is used to specify the duration (in seconds) for each image in the slideshow mode. The ${seconds} is a placeholder for an actual number of seconds you want to set. For example, if you replace ${seconds} with 5, each image will be displayed for 5 seconds before moving to the next one in the slideshow.
• ${filename}: This is another placeholder that represents the name and path of the image file you want to open using sxiv. You need to replace ${filename} with the actual file name and path of the image you want to open.

Overall, the command runs the sxiv image viewer and opens the specified image file, and if the -S option is provided, it starts a slideshow of the images with the specified duration per image.