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Full Discussion: Confirmation while deleting a file
Top Forums Shell Programming and Scripting Confirmation while deleting a file Post 302490538 by citaylor on Tuesday 25th of January 2011 04:23:14 AM
Old 01-25-2011
The "rm" command can be passed the "-i" option for the user to confirm they actually want to delete the file, directory, etc. Lots of administrators alias the "rm" command so that it automatically passes in the "-i" option, especially when they are logged on as root, as accidents can often prove fatal. There are two ways of setting these aliases, to define a shell function or to create an alias. To see your functions type:
Code:
set | more

And to see your aliases type (some shells do not have aliases, so you may get an error):
Code:
alias

You will often see something like:
Code:
alias rm="/usr/bin/rm -i"

I hope this helps...
This User Gave Thanks to citaylor For This Post:
thelakbe
 

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LEARN ABOUT DEBIAN

aliasadm

aliasadm(1M)						  System Administration Commands					      aliasadm(1M)

NAME

       aliasadm - manipulate the NIS+ aliases map

SYNOPSIS

       aliasadm -a alias expansion [options comments] optional flags

       aliasadm -c alias expansion [ options comments] [ optional flags]

       aliasadm -d alias [ optional flags]

       aliasadm -e alias [ optional flags]

       aliasadm -l alias [ optional flags]

       aliasadm -m alias [ optional flags]

       aliasadm [-I] [-D domainname] [-f filename] [-M mapname]

DESCRIPTION

       aliasadm makes changes to the alias map.

       The alias map is an NIS+ table object with four columns:

       alias	       The name of the alias as a null terminated string.

       expansion       The value of the alias as it would appear in a sendmail /etc/aliases file.

       options	       A  list	of options applicable to this alias.  The only option currently supported is  CANON. With this option, if the user
		       has requested an inverse alias lookup, and there is more than one alias with this expansion, this alias	is  given  prefer-
		       ence.

       comments        An  arbitrary  string  containing comments about this alias. The sendmail(1M) command reads this map in addition to the NIS
		       aliases map and the local  /etc/aliases database.

OPTIONS

       -a	       Add an alias.

       -c	       Change an alias.

       -d	       Delete an alias.

       -e	       Edit the alias map.

       -I	       Initialize the NIS+ aliases database.

       -l	       List the alias map.

       -m	       Print or match an alias.

       -D domainname   Edit the map in domain  domainname instead of the current domain.

       -f filename     When editing or listing the database, use filename instead of invoking the editor.

       -M mapname      Edit mapname instead of mail_aliases.

FILES

       /etc/aliases    mail aliases for the local host in ASCII format

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWnisu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       sendmail(1M), attributes(5)

NOTES

       NIS+ might not be supported in future releases of the SolarisTM Operating Environment. Tools to aid the migration from  NIS+  to  LDAP  are
       available in the Solaris 9 operating environment. For more information, visit http://www.sun.com/directory/nisplus/transition.html.

SunOS 5.10							    12 Dec 2001 						      aliasadm(1M)
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