linux command

1.I/O redirection using TEE

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2.tail

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3.awk

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4.ln

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5.watch

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6.tar

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7.scp

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8.jq command

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9.crontab

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10.set command

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11.shell EOF

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12.wget vs aria2

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13.wc

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14.uniq

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15.tmux

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16.history

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