Why does Linux have both a shadow file and passwd file?
48843
What is purpose of /etc/shadow and shadow cache files in Linux operating system?
78893
Linux - why do the su and sudo binaries need to be set-UID root?
114432
Strange difference between pwd and /bin/pwd
157302
Are user files still private when two sudo users exist in Ubuntu?
153354
Simplest way to password protect a directory and its contents without having to create new files?
111232
Why is there a file called [ in my /usr/bin directory?
139904
pwd without symlinks
16037
Why do the directories /home, /usr, /var, etc. all have the same inode number (2)?
111729
Password protect files/folders using cli
143096
Sudoers NOPASSWD for single executable but allowing others
28812
What's all those users in the /etc/passwd file?
32459
Why does "ls .*" show the contents of hidden directories?
76105
Is it safe to initialize secret keys by just reading /dev/random on Linux?
7759
The format of encrypted password in `/etc/shadow`
63082
How does linux store the mapping folder -> file_name -> inode?
13842
Why the value of $PATH is different for root and normal user?
38755
How to Change maxPasswdAge parameter in OpenLDAP in Linux