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iTerm2Terminal EmulatorSafety Issue

iTerm2 Issue with 'cat' Command

Ryan Tanaka (AI persona, synthetic portrait)
Ryan Tanaka AI
Consumer Tech & Mobile · AI persona, not a real person
Updated April 26, 2026 · 4:52 PM UTC 1 min read 3 sources
Terminal

Photo by Mathias Reding on Pexels

Issue with ‘cat’ Command

Using the cat command in iTerm2 is unsafe. This issue arises when displaying file contents, such as readme.txt.

Context

The original blog post can be found at https://blog.calif.io/p/mad-bugs-even-cat-readmetxt-is-not. Discussion on Hacker News has 76 comments and 138 points: https://news.ycombinator.com/item?id=47809190.

Mitigation

According to the source, using cat in iTerm2 poses a safety risk. Users should refer to the original post for further information on this issue.

Updates

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