https://www.cs.put.poznan.pl/jkonczak/ Wed, 06 May 2026 12:20:00 +0200 FeedCreator 1.7.2-ppt DokuWiki https://www.cs.put.poznan.pl/jkonczak/lib/tpl/dokuwiki/images/favicon.ico https://www.cs.put.poznan.pl/jkonczak/ https://www.cs.put.poznan.pl/jkonczak/os_cp:users_permissions:solutions?rev=1680427030&do=diff whoamigroupsididgetent passwd your_username # uid is the third, and gid the fourth fieldw -nlast -wn 10 # displays 10 last logonslast rootlast --present '2023-03-03 13:30'write username message Ctrl+dsu exit # lub Ctrl+d su user5 exitls -ld ~ ~/.ssh ~/.bash_history /etc/passwd /etc/shadow /tmp /usr/bin/passwd /usr/bin/write os_cp:users_permissions Sun, 02 Apr 2023 11:17:10 +0200 https://www.cs.put.poznan.pl/jkonczak/os_cp:users_permissions:which_perm_group-en?rev=1773752617&do=diff Keep in mind that programs such as ls or stat display the permissions exactly the same regardless if the user that ran them is the owner or not, belongs to the group whose the file is or not. One has to tell apart manually which chunk of permissions to look at. os_cp:users_permissions Tue, 17 Mar 2026 14:03:37 +0200 https://www.cs.put.poznan.pl/jkonczak/os_cp:users_permissions:which_perm_group?rev=1773752573&do=diff Keep in mind that programs such as ls or stat display the permissions exactly the same regardless if the user that ran them is the owner or not, belongs to the group whose the file is or not. One has to tell apart manually which chunk of permissions to look at. os_cp:users_permissions Tue, 17 Mar 2026 14:02:53 +0200