It is described in the man page, though not at a standard or appropriate location. I'll fix this upstream
** Changed in: coreutils (Ubuntu) Status: New => In Progress ** Changed in: coreutils (Ubuntu) Assignee: (unassigned) => Pádraig Brady (p-draigbrady) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to coreutils in Ubuntu. https://bugs.launchpad.net/bugs/1450179 Title: manpage of cut should explain how to read from stdin Status in coreutils package in Ubuntu: In Progress Bug description: It's a crucial usecase. ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: coreutils 8.23-3ubuntu1 Uname: Linux 4.0.0-040000-generic x86_64 ApportVersion: 2.17.2-0ubuntu1 Architecture: amd64 CurrentDesktop: Unity Date: Wed Apr 29 22:00:24 2015 EcryptfsInUse: Yes InstallationDate: Installed on 2015-04-02 (26 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326) ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=de_DE.UTF-8 SHELL=/bin/bash SourcePackage: coreutils SystemImageInfo: current build number: 0 device name: channel: daily last update: Unknown UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/coreutils/+bug/1450179/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp