How to use AppleScript in a bash script to create an alias for an app?
osascript will run AppleScript code in your shell. This example uses a HEREDOC to present the code to osascript.

/usr/bin/osascript &lt;&lt;'EOF'
tell application "Finder"
    set myapp to POSIX file "/Applications/Chess.app" as alias
    make new alias to myapp at Desktop
    set name of result to "Chess.app"
end tell
EOF


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