To get clipboard value
xclip -o -selection clipboard
To set content to clipboard
printf "something" | xclip -sel clip
e.g. type ctc
and paste something what you want to set to clipboard then type enter and “EOT” and enter.
alias ctc="cat <<EOT | xclip -sel clip"
e.g. If you are on WSL, to Windows from WSL clipboard, as follows.
xclip -o -selection clipboard | clip.exe
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