Conventions and Abbreviations

Convention	Comment
	Important note or instruction.
	Warning about possible errors or important notes to which you should pay special attention.
Anti-virus network	A new term or an accent on a term in descriptions.
<IP-address>	Placeholders.
Save	Names of buttons, windows, menu items and other program interface elements.
ctrl	Keyboard keys names.
/home/user	Names of files and folders, code examples.
Appendix A	Cross-references on the document chapters or internal hyperlinks to web pages.

Command-line commands, which are entered via a keyboard (in the terminal or terminal emulator), are marked with the command prompt character $ or # in the current manual. The character indicates the privileges required for execution of the specified command. According to the standard convention for UNIX-based systems

$—indicates that the command can be executed with user rights.

#—indicates that the command can be executed with superuser (usually root) privileges. To elevate the privileges, use su and sudo commands.