Linux-Basics-Complete-Course-With-Notes-Slides

ACCESS CONTROL FILES

Access Ccontrol files are stored under /etc.
Can be read by anyone and can be only edited by root user.

### Control files

To get more details about one’s account for example bob account, home director, uid, and shell check /etc/passwd

[~]$ grep -i ^bob /etc/passwd
bob:x:1002:1002::/home/bob:/bin/sh
USERNAME:PASSWORD:UID:GID:GECOS:HOMEDIR:SHELL

passwd

Password are stored under /etc/shadow

[~]$ grep -i ^bob /etc/shadow
bob:$6$0h0utOtO$5JcuRxR7y72LLQk4Kdog7u09LsNFS0yZPkIC8pV9tgD0wXCHutY
cWF/7.eJ3TfGfG0lj4JF63PyuPwKC18tJS.:18188:0:99999:7:::

USERNAME:PASSWORD:LASTCHANGE:MINAGE:MAXAGE:WARN:INACTIVE:EXPDATE

shadow

Check the groups bob belongs too

[~]$ grep -i ^bob /etc/group
NAME:PASSWORD:GID:MEMBERS

egp