Standard input (/dev/stdin)

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• 2>&1
• &>

• sudo -S or sudo --stdin

Activities

• Compress data from stdin: echo "DATA TO COMPRESS" | xz --verbose > file.xz

See also

• cat, tac, more, less, tail, mtail, echo, stdin, tr, column, paste, truncate, logrotate, xzcat pv, progress, sort, ncat, virt-cat, awk, join, col, fold, tee, sponge, nfs-cat, journalctl, ccat, icat, EOF, lolcat
• Standard streams: /dev/stdin, /dev/stdout, /dev/stderr, /dev/null, File descriptor, set -x, 2>&1, stdbuf