Setup: $ echo "Hello, world!" > /tmp/hello.txt Normal behavior: $ gnome-terminal ;; now within terminal $ gio open /tmp/hello.txt ;; GOOD RESULT - file is opened in app, as described by mime type. On my system, app is 'Xed' Emacs behavior: $ emacs -Q ;; now in emacs M-x eshell ;; now in eshell buffer $ gio open /tmp/hello.txt ;; BAD RESULT - nothing happens, app not opened, silent failure, nothing in message buffer $ xdg-open /tmp/hello.txt ;; BAD RESULT - nothing happens, app not opened, silent failure, nothing in message buffer I've tried making my $ENV identical between normal terminal and eshell, but I get the same results. Thanks for your help, Jeff Kowalski --------- In GNU Emacs 28.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.20, cairo version 1.16.0) of 2022-05-30 built on lcy02-amd64-022 Windowing system distributor 'The X.Org Foundation', version 11.0.12013000 System Description: Linux Mint 20.3 Configured using: 'configure --build=x86_64-linux-gnu --prefix=/usr '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' --sysconfdir=/etc --localstatedir=/var --disable-silent-rules '--libdir=${prefix}/lib/x86_64-linux-gnu' '--libexecdir=${prefix}/lib/x86_64-linux-gnu' --disable-maintainer-mode --disable-dependency-tracking --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/lib --localstatedir=/var/lib --infodir=/usr/share/info --mandir=/usr/share/man --enable-locallisppath=/etc/emacs:/usr/local/share/emacs/28.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/28.1/site-lisp:/usr/share/emacs/site-lisp --program-suffix=28 --with-modules --with-file-notification=inotify --with-mailutils --with-harfbuzz --with-json --with-zlib --with-x=yes --with-x-toolkit=gtk3 --with-lcms2 --with-cairo --with-xpm=yes --with-gif=yes --with-gnutls=yes --with-jpeg=yes --with-png=yes --with-tiff=yes --with-xwidgets 'CFLAGS=-g -O2 -fdebug-prefix-map=/build/emacs28-jmphgn/emacs28-28.1~1.git5a223c7f2e=. -fstack-protector-strong -Wformat -Werror=format-security -no-pie' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro -no-pie'' Configured features: ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE XIM XPM XWIDGETS GTK3 ZLIB Important settings: value of $LANG: en_US.UTF-8 locale-coding-system: utf-8-unix Major mode: Info Minor modes in effect: minions-mode: t doom-modeline-mode: t dimmer-mode: t auto-dim-other-buffers-mode: t global-atomic-chrome-edit-mode: t org-super-agenda-mode: t global-git-commit-mode: t magit-auto-revert-mode: t global-rbenv-mode: t counsel-mode: t eshell-vterm-mode: t eshell-syntax-highlighting-global-mode: t cua-mode: t display-time-mode: t which-key-mode: t override-global-mode: t global-flycheck-mode: t global-hl-todo-mode: t which-function-mode: t key-chord-mode: t global-company-mode: t company-mode: t ivy-mode: t erc-truncate-mode: t erc-track-mode: t erc-spelling-mode: t editorconfig-mode: t global-diff-hl-mode: t winner-mode: t global-undo-tree-mode: t undo-tree-mode: t global-anzu-mode: t anzu-mode: t projectile-mode: t volatile-highlights-mode: t global-hl-line-mode: t super-save-mode: t windmove-mode: t recentf-mode: t savehist-mode: t save-place-mode: t show-smartparens-global-mode: t global-auto-revert-mode: t delete-selection-mode: t prelude-mode: t shell-dirtrack-mode: t tooltip-mode: t global-eldoc-mode: t show-paren-mode: t electric-indent-mode: t mouse-wheel-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t buffer-read-only: t size-indication-mode: t column-number-mode: t line-number-mode: t transient-mark-mode: t Load-path shadows: /home/jeff/.emacs.d/elpa/git-modes-20220422.1611/gitignore-mode hides /home/jeff/.emacs.d/elpa/gitignore-mode-20210528.1856/gitignore-mode /home/jeff/.emacs.d/elpa/el-get-20211224.959/el-get-install hides /home/jeff/.emacs.d/elpa/load-relative-20201130.2202/el-get-install /home/jeff/.emacs.d/el-get/emacs-web-server/web-server-status-codes hides /home/jeff/.emacs.d/elpa/web-server-20210708.2242/web-server-status-codes /home/jeff/.emacs.d/el-get/emacs-web-server/web-server hides /home/jeff/.emacs.d/elpa/web-server-20210708.2242/web-server /home/jeff/.emacs.d/elpa/cmake-mode-20220322.1258/cmake-mode hides /usr/share/emacs/site-lisp/cmake-mode /home/jeff/.emacs.d/elpa/clang-format-20191121.1708/clang-format hides /usr/share/emacs/site-lisp/clang-format/clang-format /home/jeff/.emacs.d/elpa/transient-20220527.2213/transient hides /usr/share/emacs/28.1/lisp/transient /home/jeff/.emacs.d/el-get/flymake/flymake hides /usr/share/emacs/28.1/lisp/progmodes/flymake Features: (shadow sort mail-extr emacsbug sendmail goto-addr esh-autosuggest em-unix em-script em-prompt em-ls em-hist em-pred em-glob em-cmpl em-dirs esh-var em-basic em-banner diary-lib diary-loaddefs cal-iso org-duration ffap ol-eww eww url-queue mm-url ol-rmail ol-mhe ol-irc ol-info ol-gnus nnselect gnus-search eieio-opt speedbar ezimage dframe gnus-art mm-uu mml2015 mm-view mml-smime smime dig gnus-sum shr kinsoku svg gnus-group gnus-undo gnus-start gnus-dbus dbus gnus-cloud nnimap nnmail mail-source utf7 netrc nnoo gnus-spec gnus-int gnus-range gnus-win gnus nnheader ol-docview ol-bibtex ol-bbdb ol-w3m ol-doi org-link-doi origami origami-parsers 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