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OS X (Apple)
OSX: ./Users/myname OR. /usr/myname ? 1) what is the truth on UNIX ./usr/ directory.
Post 303004700 by [MA]Flying_Meat on Friday 6th of October 2017 06:24:00 PM
10-06-2017
I may be waaaaayyyy off base here, but I had always considered /usr as a receptacle for things that aren't part of the base OS.
As there are /bin and /sbin, there are /usr/bin and /usr/sbin. These are for third party additions of binaries or scripts.
Likewise, /usr/local/bin and usr/local/sbin for things the user creates for themselves.
Third part application bundles though, should go in /Applications for all users, or /Users/username/Applications (not a thing, by default, and the applications have to be able to handle that location, too).
What reeeeeeealy bugs me is the undefined status of what is an Application, and what is a Utility.
As there are /bin and /sbin, there are /usr/bin and /usr/sbin. These are for third party additions of binaries or scripts.
Likewise, /usr/local/bin and usr/local/sbin for things the user creates for themselves.
Third part application bundles though, should go in /Applications for all users, or /Users/username/Applications (not a thing, by default, and the applications have to be able to handle that location, too).
What reeeeeeealy bugs me is the undefined status of what is an Application, and what is a Utility.
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LEARN ABOUT SUNOS
shells
shells(4) File Formats shells(4) NAME
shells - shell database SYNOPSIS
/etc/shells DESCRIPTION
The shells file contains a list of the shells on the system. Applications use this file to determine whether a shell is valid. See getuser- shell(3C). For each shell a single line should be present, consisting of the shell's path, relative to root. A hash mark (#) indicates the beginning of a comment; subsequent characters up to the end of the line are not interpreted by the routines which search the file. Blank lines are also ignored. The following default shells are used by utilities: /bin/bash, /bin/csh, /bin/jsh, /bin/ksh, /bin/pfcsh, /bin/pfksh, /bin/pfsh, /bin/sh, /bin/tcsh, /bin/zsh, /sbin/jsh, /sbin/sh, /usr/bin/bash, /usr/bin/csh, /usr/bin/jsh, /usr/bin/ksh, /usr/bin/pfcsh, /usr/bin/pfksh, /usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh. Note that /etc/shells overrides the default list. Invalid shells in /etc/shells may cause unexpected behavior (such as being unable to log in by way of ftp(1)). FILES
/etc/shells lists shells on system SEE ALSO
vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4) SunOS 5.10 4 Jun 2001 shells(4)