Added skel with some default files to improve convenience.

pi4/files/skel/.bash_aliases

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+alias sudo='sudo '

pi4/files/skel/.bash_functions

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+memuse() {
+    ps axo rss,comm,pid \
+        | awk '{ proc_list[$2] += $1; } END \
+        { for (proc in proc_list) { printf("%d\t%s\n", proc_list[proc],proc); }}' \
+        | sort -n | tail -n 10 | sort -rn \
+        | awk '{$1/=1024;printf "%.0fMB\t",$1}{print $2}'
+}
+
+
+pdf()
+{
+    if [[ $# -ne 1 ]]; then
+        echo 'Usage: pdf <file>' >&2
+    else
+        local dir=$(mktemp -d -p /tmp pdf_conversion.XXXXXX)
+        local outFile="${1##*/}"
+        local outFile="${outFile%.*}"
+        pdftohtml -noframes -i -s "$1" "${dir}/${outFile}.html"
+        w3m -s "${dir}/${outFile}.html"
+    fi
+}

pi4/files/skel/.bashrc

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+#
+# ~/.bashrc
+#
+
+# If not running interactively, don't do anything
+[[ $- != *i* ]] && return
+
+#Change directories without using cd
+shopt -s autocd
+
+# Keep bash history in screen
+export HISTFILE="${HISTFILE}${WINDOW:+.${WINDOW}}"
+
+# load Aliases and functions
+[[ -f ".bash_aliases" ]] && source .bash_aliases
+[[ -f ".bash_functions" ]] && source .bash_functions
+#Invironment variables
+PS1='[\u@\h \W] \$ '
+export DIALOGOPTS='--no-lines --visit-items'
+GPG_TTY=$(tty)
+export GPG_TTY
+# Don't put commands prefixed with space, or duplicate commands in history
+export HISTCONTROL=ignoreboth
+

pi4/files/skel/.inputrc

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+# Reload changes with control+x followed by control+r
+set echo-control-characters off
+
+# History searching with up and down arrows.
+"\e[A": history-search-backward
+"\e[B": history-search-forward

pi4/files/skel/.screenrc

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+vbell off
+bell_msg ""
+hardstatus off
+startup_message off
+defscrollback 4096
+bind ! select 10
+bind @ select 11
+bind \# select 12
+bind $ select 13
+bind % select 14
+bind ^ select 15
+bind & select 16
+bind * select 17
+bind ( select 18
+bind ) select 19
+bind b eval "writebuf" 'exec !!! xclip -selection "clipboard" -i /tmp/screen-exchange'
+#termcapinfo xterm|xterms|xs|rxvt ti@:te@
+termcapinfo xterm* ti@:te@