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Full Discussion: Unix Commands?
Top Forums UNIX for Dummies Questions & Answers Unix Commands? Post 44984 by cbkihong on Friday 12th of December 2003 10:15:53 PM
Old 12-12-2003
IMO it is not a good taste to make such kind of aliases (dir -> ls -l etc.)

If you change to another Unix system without these aliases and you are used to rely on these aliases you will then have difficulties.

The point of creating aliases is to reduce amount of typing for frequently-used commands, not to make different OSes look similar because different OSes have different characteristics and making an alias is not sufficient to mask the differences in terms of commands.

It's easy to visualize. DOS commands use a / for arguments while - for Unix, and the arguments for "dir" are also different from that of "ls" on Unix.

SuSE linux comes with these kind of aliases and they turned up to have created more confusion than good. It's tempting to use them, but you will never properly learn Unix if you are to blindly adhere to them.
 

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LEARN ABOUT OPENSOLARIS

praliases

praliases(1)							   User Commands						      praliases(1)

NAME

       praliases - display system mail aliases

SYNOPSIS

       praliases [-C configfile] [-f aliasfile] [key]

DESCRIPTION

       The  praliases  utility displays system mail aliases. When no key is given, praliases displays the current system aliases, one per line, in
       no particular order. The form is key:value. If a key is given, only that key is looked up and the appropriate  key:value  is  displayed	if
       found.

OPTIONS

       The following options are supported:

       -C configfile	Specifies a sendmail configuration file.

       -f aliasfile	Reads the specified file aliasfile instead of the default sendmail system aliases file.

OPERANDS

       The following operands are supported:

       key    A specific alias key to look up.

EXIT STATUS

       The following exit values are returned:

       0     Successful operation.

       >0    An error occurred.

FILES

       /etc/mail/aliases	Default sendmail system aliases file

       /etc/mail/aliases.db	Database versions of the /etc/mail/aliases file

       /etc/mail/aliases.dir	Database versions of the /etc/mail/aliases file
       /etc/mail/aliases.pag

       /etc/mail/sendmail.cf	Default sendmail configuration file

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWsndmu 		   |
       +-----------------------------+-----------------------------+

SEE ALSO

       mailq(1), newaliases(1M), sendmail(1M), attributes(5)

SunOS 5.11							    29 Mar 2004 						      praliases(1)
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