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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 OSF1

ali

ali(1)							      General Commands Manual							    ali(1)

NAME

       ali - list mail aliases (only available within the message handling system, mh)

SYNOPSIS

       ali [-alias aliasfile] [-help] [-[no]list] [-[no]normalize] [-user useraddr] [-nouser] [aliases...]

OPTIONS

       Specifies  the alias file to be consulted by ali.  You can specify more than one alias file, but each aliasfile must be preceded by -alias.
       In addition to any alias files that you specify, ali consults the system alias file /usr/lib/mh/MailAliases.

	      You can set up an entry in your so that ali automatically consults an alias file. To do this, add the Aliasfile entry to	your  pro-
	      file. See mh_profile(4) for more information.  Prints a list of the valid options to this command.  Prints the addresses on separate
	      lines. If you do not specify the -list option, the addresses are separated by commas and	printed  on  as  few  lines  as  possible.
	      Instructs  ali  to try to track down the official hostname of the address. This can be suppressed by using -nonormalize. The default
	      is -nonormalize.	Displays all the aliases that contain a specific name. Instead of listing the  addresses  that	each  given  alias
	      expands  to,  ali lists the aliases that expand to include each given address. You must specify the complete user name that you have
	      used in your alias file.

       The defaults for this command are:

       -alias /usr/lib/mh/MailAliases -nolist -nonormalize -nouser

DESCRIPTION

       The ali command searches the specified mail alias files for each of the given aliases. It creates a list of addresses  for  those  aliases,
       and displays that list on the screen.

PROFILE COMPONENTS

       Location of your mail directory.  Location of your personal alias file.

EXAMPLES

       The  following  example	shows  how  the  -user option can be used to list all the aliases containing the address Parker@Venus: % ali -user
       Parker@Venus Parker@Venus: Group, Reviewers, Badminton

FILES

       The user profile.  The system alias file.  The system password file.  The system group file.

SEE ALSO

       mh-alias(4)

																	    ali(1)
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