Baslinux mailing list

[sindi keesan <keesan AT sdf.lonestar.org>]

On Sat, 8 Jan 2005 3aoo-cvfd AT dea.spamcon.org wrote:

> sindi keesan wrote:
> > I notice that BL3 has a file /shell (/etc/shell?)
> > listing four shells
>
> Not usually.  Perhaps it was installed with one of
> your shell packages?

Maybe each package has a script which adds its own shell?
But bash is not in there - I can add it.

> > Is bash the default
>
> bash is normally the default in Linux; however, I
> used ash in BL3 to save space.  For most purposes
> the BL3 version of ash is identical to bash.

> > Is SHELL something you set in the environment?
>
> It is usually set automatically (by login).  It
> can also be set manually.
>
> > Is PS1 a way to set the prompt in ash/bash?
>
> Yes.
>
> > You can use tcsh and probably zsh to correct typos
> > in commands or let you edit them (yes/no/edit).
>
> bash (and the BL3 version of ash) also allow you to
> edit the commandline.
But not suggest corrections?   I can type the up arrow to get a previous 
command on screen.


> > to show me where I am here without pwd.
> > I don't know why this is not the default.
> > Is it the default for ash/bash
>
> No.
>
> > or was it set that way in profile for BL3?
>
> Yes.  PS1='\w<\$>'

Aha, that explains the \w in zsh now - you set it and zsh misinterpreted.

> > There are also ways (at least in zsh) to set it
> > to show the time and date.
>
> Also in bash:
> ----------------------------------------------------
> \t     the current time in HH:MM:SS format
> \d     the date in "Weekday Month Date" format
> \n     newline
> \s     the name of the shell, the basename of $0
> \w     the current working directory
> \W     the basename of the current working directory
> \u     the username of the current user
> \h     the hostname
> \#     the command number of this command
> \!     the history number of this command
> \$     if user is root, a #, otherwise a $
> \nnn   character corresponding to this octal number
> \\     a backslash
> \[     begin a sequence of non-printing characters
> \]     end a sequence of non-printing characters
> ----------------------------------------------------
> Most of those work in ash too.
>
> You can even use colors in the prompt:
> --------------------------
> PS1='\w\033[31m \$ \033[m'
> --------------------------
>
> Cheers,
> Steven
>
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keesan AT sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org