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Top Forums Shell Programming and Scripting Explaination on export command Post 302929111 by RavinderSingh13 on Thursday 18th of December 2014 12:44:41 AM
Old 12-18-2014
Hello chandana,

Welcome to forums. If you want to add a variable's value permanently then you can add it in your .profile and then it will work for new sessions also.
Let me give you an example here.

Let's say we want to set prompt sign for a specific user then we can add it in .profile as follows.
Code:
export PS1="${LOGNAME}@$(hostname)$ "

Also following link may help you in same to understand it better.
https://in.answers.yahoo.com/questio...8140017AAo0wb2


Thanks,
R. Singh
This User Gave Thanks to RavinderSingh13 For This Post:
 

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NEXT(1) 							     [nmh-1.5]								   NEXT(1)

NAME
next - show the next message SYNOPSIS
next [+folder] [-showproc program] [-showmimeproc program] [-header | -noheader] [-checkmime | -nocheckmime] [switches for showproc or showmimeproc] [-version] [-help] DESCRIPTION
Next performs a show on the next message in the specified (or current) folder. Like show, it passes any switches on to the program show- proc or showmimeproc, which is called to list the message. This command is almost exactly equivalent to "show next". Consult the manual entry for show(1) for all the details. FILES
$HOME/.mh_profile The user profile PROFILE COMPONENTS
Path: To determine the user's nmh directory Current-Folder: To find the default current folder showproc: Program to show non-MIME messages showmimeproc: Program to show MIME messages SEE ALSO
show(1), prev(1) DEFAULTS
`+folder' defaults to the current folder `-checkmime' `-header' CONTEXT
If a folder is specified, it will become the current folder. The message that is shown (i.e., the next message in sequence) will become the current message. BUGS
next is really a link to the show program. As a result, if you make a link to next and that link is not called next, your link will act like show instead. To circumvent this, add a profile-entry for the link to your nmh profile and add the argument next to the entry. MH.6.8 11 June 2012 NEXT(1)
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