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Full Discussion: finger and newsgroups
Top Forums UNIX for Dummies Questions & Answers finger and newsgroups Post 10253 by Perderabo on Saturday 10th of November 2001 05:15:51 PM
Old 11-10-2001
Actually only a few commands like sed and grep use regular expressions. But the commands you type are read by a shell. And shells have a filename matching system built in. So if you type "ls *.c" the shell will lool in your current directory and find a list of files whose names end in ".c". The ls command doesn't do that. The shell did it. And because you use the shell to type all your commands and most commands do use lists of filenames, it kinda looks like everything is the same.

It's pretty easy to get a files in a directory, but it's much harder to get a list of hostnames.

As for reading news, this is always done with freeware that is added on to the system. Unix does not come with newsreaders. I have no way of knowing what is available to you. But they are all "full screen" like vi or emacs; if you can run vi, you can run them. My choice would be a program called "trn", but again you will need to ask your sysadmin to find out what's available to you.
 

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LEARN ABOUT CENTOS

platform::shell

platform::shell(n)					       Tcl Bundled Packages						platform::shell(n)

__________________________________________________________________________________________________________________________________________________

NAME

       platform::shell - System identification support code and utilities

SYNOPSIS

       package require platform::shell ?1.1.4?

       platform::shell::generic shell
       platform::shell::identify shell
       platform::shell::platform shell
_________________________________________________________________

DESCRIPTION

       The platform::shell package provides several utility commands useful for the identification of the architecture of a specific Tcl shell.

       This  package  allows the identification of the architecture of a specific Tcl shell different from the shell running the package. The only
       requirement is that the other shell (identified by its path), is actually executable on the current machine.

       While for most platform this means that the architecture of the interrogated shell is identical to the architecture of  the  running  shell
       this  is  not generally true. A counter example are all platforms which have 32 and 64 bit variants and where a 64bit system is able to run
       32bit code. For these running and interrogated shell may have different 32/64 bit settings and thus different identifiers.

       For applications like a code repository it is important to identify the architecture of the shell which will  actually  run  the  installed
       packages, versus the architecture of the shell running the repository software.

COMMANDS

       platform::shell::identify shell
	      This command does the same identification as platform::identify, for the specified Tcl shell, in contrast to the running shell.

       platform::shell::generic shell
	      This command does the same identification as platform::generic, for the specified Tcl shell, in contrast to the running shell.

       platform::shell::platform shell
	      This command returns the contents of tcl_platform(platform) for the specified Tcl shell.

KEYWORDS

       operating system, cpu architecture, platform, architecture

platform::shell 						       1.1.4							platform::shell(n)
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