Understanding UNIX/Linux


 
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Old 04-02-2009
Understanding UNIX/Linux

Hello:

I'm a totally newbie here. My company has UNIX. My development team would like me to learn UNIX and shell scripting.

I've worked with Linux in the past, very briefly. I have Ubuntu installed on my laptop. I was wondering whether or not the shell scripting for Linux is the same for UNIX. Lately, I've used the BASH shell. The scripts I wrote using BASH in Linux, can they be used in UNIX?

What is the difference between UNIX and Linux?
Can I do the same shell scripting in either UNIX or Linux?

Do I have to install UNIX in order to run the shell scripts that I would need at work?

Can someone point me in the right direction?
 
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emacs(1)						      General Commands Manual							  emacs(1)

NAME
emacs, xemacs - emacs editor DESCRIPTION
The emacs software is unsupported software that is provided as part of Tru64 UNIX. Compaq will fix problems in this unsupported software only if they are specific to Tru64 UNIX. Compaq will not fix problems that are integral to the software itself or that occur when the com- ponent is used on UNIX systems other than Tru64 UNIX. Compaq will not add functionality to this software. Except for this reference page, other reference pages that Tru64 UNIX supplies for emacs are passed through without changes. The reference pages distributed as part of this software are available in the directories /usr/share/doclib/annex/man/man[1-9]. You should use this directory stem in the man command or add it to the MANPATH environment variable to make these files available to the man command. Note Compaq is not responsible for the content or quality of reference pages and other documents installed under the /usr/share/doclib/annex directory and does not revise this material in response to customer problem reports. Reference pages installed under the /usr/share/doclib/annex/man directory are not available from Compaq in book form; for example, they are not included in the reference manu- als that you receive when you order the Tru64 UNIX documentation set as hard copy books. Problems related to the content or quality of any documentation installed in the /usr/share/doclib/annex directory tree should be sent to the developers of the documentation. The format for changing the search path with the man command is: man -P /usr/share/doclib/annex/man [section] title... If you are using the Bourne, Korn, or POSIX shells, use the following command sequence to modify your environment: MANPATH=$MAN- PATH:/usr/share/doclib/annex/man export MANPATH If you are using the C shell, enter the command: setenv MANPATH `echo $MANPATH`:/usr/share/doclib/annex/man See the reference pages for the man(1) command for additional information on the search path used to locate files. The reference pages associated with this product are not included in the whatis data base created by the catman command. Therefore, the man -k and apropos commands will not locate reference pages included with this product. SEE ALSO
Commands: apropos(1), catman(8), man(1) emacs(1)