Linux in a Nutshell, Fifth Edition

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Chapter 3: Linux Commands

This is the Title of the Book, eMatter Edition

Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.

commands. To execute a special command, triple-click the left and

right buttons (hold down one of the buttons and triple-click the

other). A message appears on the console, and the speaker beeps

twice. At this point, release the buttons and press the desired

button within three seconds to activate the associated special

command. The default special commands are:

Left button

Reboot by signalling init.

Middle button

Shut down the system with /sbin/shutdown -h now.

Right button

Reboot with /sbin/shutdown -r now.

gprof

gprof [options] [object_file]

Display the profile data for an object file. The file’s symbol table is

compared with the call graph profile file gmon.out (previously

created by compiling with gcc -pg). Many of gprof’s options take a

symbol-specification argument, or symspec, to limit the option to

specified files or functions. The symspec may be a filename, a func-

tion, or a line number. It can also be given as filename:function or

filename:linenumber to specify a function or line number in a

specific file. gprof expects filenames to contain a period and func-

tions to not contain a period.

Options

-a, --no-static

Do not display statically declared functions. Since their infor-

mation might still be relevant, append it to the information

about the functions ...