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Full Discussion: Why is ./ sometimes needed?
Top Forums Shell Programming and Scripting Why is ./ sometimes needed? Post 303029640 by RudiC on Wednesday 30th of January 2019 03:03:13 AM
Old 01-30-2019
Well, wisecaracker, I see your point, but - IF a script does such delicate things that needs root privileges, it certainly should NOT reside in a user's $HOME/bin. And, sudo is so flexible to setup that only the eligible user can use cleanup2 in a public directory.
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DEBPKG(1)                                                     General Commands Manual                                                    DEBPKG(1)

NAME
debpkg - wrapper for dpkg SYNOPSIS
debpkg dpkg-options DESCRIPTION
debpkg simply invokes dpkg(1) but first becomes superuser so that dpkg is able to install and remove packages. It also cleans the environ- ment and resets PATH to a sane default: "/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11" so that local versions of programs are not run by accident. REQUIREMENTS
debpkg must be given superuser privileges in some way to function properly. Access to debpkg with those privileges is the same as having superuser access to your machine. debpkg will abort if it finds that it neither being run by root nor setuid root. The devscripts package has been designed to allow debpkg to be made setuid root. This works by using a compiled wrapper script, which means that suidperl is not required. See dpkg-statoverride(8) if you wish to make this program setuid root. sudo or super could also con- ceivably be used. AUTHOR
Christoph Lameter <clameter@debian.org>; minor modifications made by Julian Gilbey <jdg@debian.org>. DEBIAN Debian Utilities DEBPKG(1)
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