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Top Forums UNIX for Dummies Questions & Answers Navigating directories with * / . and .. Post 302758317 by Yoda on Friday 18th of January 2013 11:23:25 PM
Old 01-19-2013
The characters ? (question mark) and * (asterisk) are called wildcards.

The asterisk represents zero or more characters.
Code:
$ ls
doc_1.txt  doc2.txt  f1.csv  f2.csv  fl3.csv  pic_1.jpg  pic_2.jpg

$ ls *.txt
doc_1.txt  doc2.txt

The question mark represents only one character.
Code:
$ ls
doc_1.txt  doc2.txt  f1.csv  f2.csv  fl3.csv  pic_1.jpg  pic_2.jpg

$ ls ???.csv
fl3.csv

.. or ../ represents parent directory and ./ represents current directory. So ls */ means list the contents of all directories in current path.
 

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SendEmail(1)							   User Commands						      SendEmail(1)

NAME
SendEmail - Lightweight, command line SMTP email client SYNOPSIS
SendEmail -f ADDRESS [options] OPTIONS
-f ADDRESS from (sender) email address * At least one recipient required via -t, -cc, or -bcc * Message body required via -m, STDIN, or -o message-file=FILE Common: -t ADDRESS [ADDR ...] to email address(es) -u SUBJECT message subject -m MESSAGE message body -s SERVER[:PORT] smtp mail relay, default is localhost:25 Optional: -a FILE [FILE ...] file attachment(s) -cc ADDRESS [ADDR ...] cc email address(es) -bcc ADDRESS [ADDR ...] bcc email address(es) [32;1mParanormal:[m -xu USERNAME authentication user (for SMTP authentication) -xp PASSWORD authentication password (for SMTP authentication) -l LOGFILE log to the specified file -v verbosity, use multiple times for greater effect -q be quiet (no stdout output) -o NAME=VALUE see extended help topic "misc" for details Help: --help TOPIC The following extended help topics are available: addressing explain addressing and related options message explain message body input and related options misc explain -xu, -xp, and others networking explain -s, etc output explain logging and other output options REPORTING BUGS
Report bugs to <http://bugs.debian.org/sendemail> AUTHOR
sendemail was written by Brandon Zehm <caspian@dotconf.net> . This manual page was written by Brandon Zehm and improved by Alejandro Garrido Mota <garridomota@gmail.com>, for the Debian project (and may be used by others). sendEmail September 2010 SendEmail(1)
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