July 2005
Intermediate to advanced
944 pages
158h 24m
English
book
Linux in a Nutshell, Fifth Edition
by Ellen Siever, Aaron Weber, Stephen Figgins, Robert Love, Arnold Robbins
Content preview from 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.
xinetd and must have an entry in xinetd’s configuration file, /etc/
xinetd.conf.
Options
-f Allow finger forwarding in the form of user@host1@host2.
-p command, -L path
Use alternate finger program specified by command.
-l Log finger requests.
-t n Set timeout period to n seconds.
-u Reject requests in the form of @host.
-w Include a welcome banner with additional information, such
as uptime and the name of the operating system.
flex
flex [options] [file]
flex (Fast Lexical Analyzer Generator) is a faster variant of lex.It
generates a lexical analysis program (named lex.yy.c) based on the
regular expressions and C statements contained in one or more
input files. See also bison, yacc, and the O’Reilly book lex & yacc.
Options
-b Generate backup information to lex.backup.
-d Debug mode.
-f Use a faster scanner. The result is larger but faster.
-h Help summary.
-i Scan case-insensitively.
-l Maximum lex compatibility.
-o file
Write output to file instead of lex.yy.c.
-p Print performance report.
-s Exit if the scanner encounters input that does not match any
of its rules.
-t Print to standard output. (By default, flex prints to lex.yy.c.)
-v Print a summary of statistics.
-w Suppress warning messages.
-B Generate batch (noninteractive) scanner.
-F Use the fast scanner table ...
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