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Initial release April 21, 2006; 11 years ago (2006-04-21)
Stable release
1.0 / March 7, 2011; 6 years ago (2011-03-07)
Written in C
Operating system Linux
Available in English
License GNU GPL

uswsusp, abbreviated from userspace software suspend and stylized as µswsusp, is a set of userspace command-line utilities for Linux that act primarily as wrappers around the Linux kernel hibernation functionality and implement sleep mode (s2ram utility, referred to as "suspend to RAM"), hibernation (s2disk utility, referred to as "suspend to disk"), and hybrid sleep (s2both utility, referred to as "suspend to both"). It supports Linux kernel versions 2.6.17 and newer.[1][2]

uswsusp supports image checksumming, data compression, disk encryption, and integration with Splashy and fbsplash.[2][3][4]


  1. ^ "Details of package uswsusp in sid". Retrieved June 24, 2015. 
  2. ^ a b "Uswsusp". May 30, 2015. Retrieved June 24, 2015. 
  3. ^ "Man page of uswsusp.conf". June 24, 2006. Retrieved June 24, 2015. 
  4. ^ "Man page of suspend-keygen". June 24, 2006. Retrieved June 24, 2015. 

External links[edit]