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dtach vs PuTTY

Professional comparison and analysis to help you choose the right software solution for your needs.

dtach icon
dtach
PuTTY icon
PuTTY

dtach vs PuTTY: The Verdict

⚡ Summary:

dtach: dtach is a program that emulates the detach feature of screen, allowing you to run a program in an environment that is protected from the controlling terminal. Useful for remote sessions that you want to persist after disconnecting.

PuTTY: PuTTY is a popular open-source terminal emulator and SSH client for Windows. Developed by Simon Tatham, PuTTY provides a lightweight and versatile tool for connecting to remote servers using various network protocols, including SSH, Telnet, and Rlogin. It is widely used for secure and convenient command-line access to remote systems.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature dtach PuTTY
Sugggest Score — —
Category Os & Utilities Network & Admin
Pricing Free Open Source

Product Overview

dtach
dtach

Description: dtach is a program that emulates the detach feature of screen, allowing you to run a program in an environment that is protected from the controlling terminal. Useful for remote sessions that you want to persist after disconnecting.

Type: software

Pricing: Free

PuTTY
PuTTY

Description: PuTTY is a popular open-source terminal emulator and SSH client for Windows. Developed by Simon Tatham, PuTTY provides a lightweight and versatile tool for connecting to remote servers using various network protocols, including SSH, Telnet, and Rlogin. It is widely used for secure and convenient command-line access to remote systems.

Type: software

Pricing: Open Source

Key Features Comparison

dtach
dtach Features
  • Allows processes to continue running after terminal is closed/disconnected
  • Can reattach to a detached process later
  • Lightweight and simple
  • Works over SSH
PuTTY
PuTTY Features
  • SSH client
  • Telnet client
  • Rlogin client
  • Raw socket connection
  • Serial port connection
  • Basic file transfer (SCP and SFTP)
  • Proxying for tunneling connections through HTTP proxies
  • Local terminal emulator (with VT100 and VT52 emulation)
  • Configurable keyboard shortcuts
  • Session logging

Pros & Cons Analysis

dtach
dtach

Pros

  • Enables remote sessions to persist without screen
  • Good for simple process detach/reattach needs
  • Small memory and resource footprint

Cons

  • Less full-featured than screen
  • No multiplexing of sessions like screen
  • Limited configuration options
PuTTY
PuTTY

Pros

  • Free and open source
  • Lightweight and fast
  • Supports multiple network protocols
  • Available for Windows, with unofficial ports for other platforms
  • Highly configurable with many options
  • Actively developed and maintained

Cons

  • Official builds only for Windows
  • Limited file transfer capabilities compared to FTP/SFTP clients
  • Minimalist interface lacks some conveniences of other SSH clients
  • Lacks advanced SSH features like agent forwarding or port tunneling
  • No official support offered

Pricing Comparison

dtach
dtach
  • Free
PuTTY
PuTTY
  • Open Source

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Learn More About Each Product

dtach
dtach
Reviews, pricing & alternatives →
PuTTY
PuTTY
Reviews, pricing & alternatives →

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