1. Find a suitable package and install Nethack.
-sudo apt-get install nethack-x11
-I installed this packet because just install nethack didn´t work
2. Create a user group and two new users. Add the new users to the new group. Give also the other user permission to use sudo.
-sudo addgroup ryhma1
-sudo adduser user1
-sudo adduser user2
-sudo usermod -aG ryhma1,sudo user1
-sudo usermod -aG ryhma1,sudo user2
3. Do other users have permission to list contents of your home directory?
-only me and the sudo users
4. Create a new file (touch command is handy). What permissions of the file in number
format?
– 664
5. What means that a directory has only x permission?
-You can see the directory but you can´t see it or change it
6. Write a shell script that prints Hello world
-First I used Nano editor and wrote the script.
7. How can you run a command once a week?
-crontab file, activate crontab with command crontab -e
-then write the cron: 30 0 * * 5 /bin/updatedb (where every Friday 00:30 system executes given command)
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