[marshall@jerkon]{04:42 AM}: [~] $ sudo apt show passwd Package: passwd Version: 1:4.8.1-1ubuntu5.20.04.1 Priority: required Section: admin Source: shadow Origin: Ubuntu Maintainer: Ubuntu Developers Original-Maintainer: Shadow package maintainers Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 2,732 kB Depends: libaudit1 (>= 1:2.2.1), libc6 (>= 2.14), libcrypt1 (>= 1:4.1.0), libpam0g (>= 0.99.7.1), libselinux1 (>= 2.1.9), libsemanage1 (>= 2.0.3), libpam-modules Replaces: manpages-tr (<< 1.0.5), manpages-zh (<< 1.5.1-1) Homepage: https://github.com/shadow-maint/shadow Task: minimal Download-Size: 799 kB APT-Manual-Installed: yes APT-Sources: http://us.archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages Description: change and administer password and group data This package includes passwd, chsh, chfn, and many other programs to maintain password and group data. . Shadow passwords are supported. See /usr/share/doc/passwd/README.Debian N: There is 1 additional record. Please use the '-a' switch to see it [marshall@jerkon]{04:42 AM}: [~] $ sudo useradd test1 && sudo chsh test1 -s `perl -e 'print "a"x993;'`; echo "Y U NO WORK:";sudo chsh test1 -s /bin/sh; sudo chfn test1 -f testuser;sudo deluser test1; sudo id; sudo uname -a;cat /etc/passwd | grep test1 | cut -c -100 chsh: Warning: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa does not exist Y U NO WORK: chsh: user 'test1' does not exist in /etc/passwd chfn: user 'test1' does not exist in /etc/passwd Removing user `test1' ... Warning: group `test1' has no more members. userdel: user 'test1' does not exist /usr/sbin/deluser: `/sbin/userdel test1' returned error code 6. Exiting. uid=0(root) gid=0(root) groups=0(root) Linux jerkon 5.11.0-27-generic #29~20.04.1-Ubuntu SMP Wed Aug 11 15:58:17 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux test1:x:1001:1001::/home/test1:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa [marshall@jerkon]{04:43 AM}: [~] $