grolj4 Command in Linux
grolj4 is a Linux command that acts as a driver for the groff text formatting system. With this command, you can convert the groff output into PCL5 format, which is suitable for HP LaserJet 4 printers. It is typically used when you want to print documents formatted with groff on these specific printers.
The grolj4 command supports various options such as setting the paper size, number of copies and print orientation. Apart from that, you can also use this command to handle different font styles and sizes. Thus, making it a versatile tool for creating well-formatted printed documents.
Table of Contents
Here is a comprehensive guide to the options available with the grolj4 command in linux −
Syntax for grolj4 Command
The basic syntax to use the grolj4 command in Linux is given below −
grolj4 [options] [file...]
Where −
- [options] are extra parameters that allow you to modify how the command operates.
- [file] represents one or more files that you wish to process using grolj4.
rolj4 Command Options
The following are few options that you can use with the grolj4 command −
| Option | Description |
|---|---|
| -C | Prints in color (if the printer supports it). |
| -c num | Prints multiple copies of each page. |
| -d | Enables duplex printing (printing on both sides of the paper). |
| -F dir | Specifies the directory for font files. |
| -l | Prints in landscape mode. |
| -P | Passes options directly to the printer. |
| -p paper | Sets the paper size (for example., letter, legal, A4). |
Examples of grolj4 Command in Linux
Lets discuss a few examples of grolj4 commands in Linux systems. This will help you in learning how to get started with the command.
- Printing in Landscape Orientation
- Printing Multiple Copies
- Specifying Paper Size
- Using a Custom Font Directory
- Set Default Line Thickness
Printing in Landscape Orientation
You can use the grolj4 command in Linux to print your document in landscape orientation. To do this, you must use the -l option with the command. For example −
grolj4 -l myfile.tr
After you run this command, it will print myfile.tr in landscape orientation.
Printing Multiple Copies
In case you want to print multiple copies of a document, you can use the -c option followed by the number of copies you want. For example −
grolj4 -c 3 myfile.tr
Once you run the above command, it will print 3 copies of myfile.tr.
Specifying Paper Size
You can also print your document on a specific paper size by using the -p option followed by the paper size of your choice. For example −
grolj4 -p A4 myfile.tr
The above command will print myfile.tr on A4 paper.
Using a Custom Font Directory
If you have custom fonts stored in a specific directory, you can use the -F option to specify that directory. For example −
grolj4 -F /path/to/fonts myfile.tr
This command will use the fonts located in /path/to/fonts to print myfile.tr.
Set Default Line Thickness
You can also set the default line thickness for your document by using the -w option followed by the thickness value in thousandths of an em. For example −
grolj4 -w 5 myfile.tr
After you execute the command, it will set the default line thickness to 5 thousandths of an em for myfile.tr.
Conclusion
The grolj4 command is a powerful utility in Linux used for converting groff output into PCL5 format, suitable for HP LaserJet 4 printers. This guide has explored the syntax, and various options available for the grolj4 command. Additionally, practical examples have been provided to help you efficiently manage your printing tasks and boost productivity in a text-based environment.
By mastering this command, you can greatly enhance your efficiency when working with formatted text and printing on HP LaserJet printers.