xpdf:tldr:47aa7

The command "xpdf -z ${75}% ${filename-pdf}" is used to run the "xpdf" utility with certain options and arguments. This command has two main components: the options (-z) and the arguments (${75}% and ${filename-pdf}).

1. Option: -z

   • This option is used to set the zoom level for the PDF file.
   • In this case, the zoom level is set to 75% of the regular size.

2. Arguments: a. ${75}%

   • This argument specifies the zoom level as a percentage.
   • The value is 75, indicating that the PDF file will be displayed at 75% of its original size.

   b. ${filename-pdf}

   • This argument represents the name of the PDF file that will be opened with the xpdf utility.
   • The actual file name will be substituted in place of "${filename-pdf}".
   • The file extension ".pdf" is included to indicate that it is a PDF file.

Overall, this command invokes the xpdf utility to open a specific PDF file and display its content at a zoom level of 75% of the original size.