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Discussion on: How much of a memory impact do tabs in my terminal have?

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Rob Hoelz

It depends on your terminal - most terminals can be configured to remove old lines from memory, which lowers the memory footprint. Also, I believe I read somewhere that some terminals can store their scrollback in files, which also lowers memory usage, but obviously has security implications if you're running sensitive commands.

As far actually memory usage goes, that also depends on the terminal - I have 10,000 lines of scrollback in urxvt, and filling that up increases my memory usage by about 16MB.