Conventions used in this document

The following typographic and usage conventions occur in this text:

Table 1. Typographic and usage conventions

Text typeMeaning
Quoted textQuotes from people, quoted computer output.
terminal view
Literal computer input and output captured from the terminal, usually rendered with a light grey background.
commandName of a command that can be entered on the command line.
VARIABLEName of a variable or pointer to content of a variable, as in$VARNAME.
optionOption to a command, as in “the -a option to thels command”.
argumentArgument to a command, as in “readman ls ”.
prompt User prompt, usually followed by a command that you type in a terminal window, like in hilda@home>ls -l

command options arguments

Command synopsis or general usage, on a separated line.
filenameName of a file or directory, for example “Change to the/usr/bin directory.
KeyKeys to hit on the keyboard, such as “type Q to quit”.
ButtonGraphical button to click, like the OK button.
Menu->ChoiceChoice to select from a graphical menu, for instance: “SelectHelp->About Mozilla in your browser.
TerminologyImportant term or concept: “The Linux kernel is the heart of the system.
The backslash in a terminal view or command synopsis indicates an unfinished line. In other words, if you see a long command that is cut into multiple lines, \ means “Don't press Enter yet!
See Chapter 1, LDAP basicslink to related subject within this guide.
The authorClickable link to an external web resource.

The following images are used:

[Note]This is a note

It contains additional information or remarks.

[Caution]This is a caution

It means be careful.

[Warning]This is a warning

Be very careful.

[Tip]This is a tip

Tips and tricks.