Public bug reported: This is 20.04 after a do-release-upgrade
$ killall --version killall (PSmisc) UNKNOWN Copyright (C) 1993-2017 Werner Almesberger and Craig Small butternut@butternut:/scratch/dujella/5,-8,s210,aux$ ps 2593054 PID TTY STAT TIME COMMAND 2593054 pts/16 R 9:52 /home/nfsworld/gnfs-batalov/gnfs-lasieve4I14e -r snfs.30 -f 44850000 -c 150000 butternut@butternut:/scratch/dujella/5,-8,s210,aux$ pidof gnfs-lasieve4I19x butternut@butternut:/scratch/dujella/5,-8,s210,aux$ killall -STOP gnfs-lasieve4I19x butternut@butternut:/scratch/dujella/5,-8,s210,aux$ ps 2593054 PID TTY STAT TIME COMMAND 2593054 pts/16 T 10:04 /home/nfsworld/gnfs-batalov/gnfs-lasieve4I14e -r snfs.30 -f 44850000 -c 150000 So killall (but not pidof) seem to be matching on only the first 15 characters of the process name. ** Affects: psmisc (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1931802 Title: killall only matching first 15 characters of process name To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/psmisc/+bug/1931802/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs