Use vi or vim to edit your script file to answer the questio

Use vi or vim to edit your script file to answer the questions posed by the following actions:

Check which group or groups you belong to

Check your default mask

Create a directory called garbage under your home directory

Create a directory called session2 under your home directory

Check the permission of this directory, make a note of it

Change your default mask so that the default permission is 644. What is the default permission for directories after you make this change?

Check the default permission for the garbage directory? Has it been changed after setting the default mask? Why or why not?

Delete this directory

Create a directory called fred under the session2 directory

Check the permission of this directory and make a note of it

Remove the x permission for this directory

Move to the session2 directory. You should have a problem. Do you know what the problem is? Fix the problem.

Create a file called helpme under this directory.

Put the following information into the helpme file

Fred Flintstone

Wilma Flintstone

Barney Rubble

Betty Rubble

Pebbles

Bam-Bam

Save this file

Rename this file to flintstones.txt

Check the permissions of this file. Can users in your group copy this file? Can they change it? Can users outside your group copy this file? Can they change this file? Is this file executable?

Change the permissions of this file so that every user can read, modify but not execute this file.

Print this file

Solution

Answers are provided in bold with steps asked:

Check which group or groups you belong to: groups

Check your default mask: umask

Create a directory called garbage under your home directory : mkdir garbage

Create a directory called session2 under your home directory : mkdir session2

Check the permission of this directory, make a note of it: ls -ld session2 (answer is drwxrwxr-x)

Change your default mask so that the default permission is 644. What is the default permission for directories after you make this change? vi ~/.bashrc append/modify following line to setup a new umask:
umask 644 Save and close the file. Changes will take effect after next login.Default is 133

Check the default permission for the garbage directory? Has it been changed after setting the default mask? Why or why not? ls -ld garbage ,no change in permission because older file don’t get changed only new files are affected

Delete this directory : rm -rf garbage

Create a directory called fred under the session2 directory : mkdir session2/fred

Check the permission of this directory and make a note of it : ls -ld session2/fred d—x-wx-wx

Remove the x permission for this directory: chmod -033 session2/fred

Move to the session2 directory. You should have a problem. Do you know what the problem is? Fix the problem. cd session2/fred fred is unaccessable now. cd session2 then use chmod -R 133 fred to resolve it

Create a file called helpme under this directory: vi helpme

Put the following information into the helpme file

Fred Flintstone

Wilma Flintstone

Barney Rubble

Betty Rubble

Pebbles

Bam-Bam

Save this file: press i and then paste

Fred Flintstone

Wilma Flintstone

Barney Rubble

Betty Rubble

Pebbles

Bam-Bam

press esc shift +; and write wq! and enter to save file.

Rename this file to flintstones.txt: mv helpme flintstones.txt

Check the permissions of this file. Can users in your group copy this file? Can they change it? Can users outside your group copy this file? Can they change this file? Is this file executable?

Change the permissions of this file so that every user can read, modify but not execute this file:

ls -ld flintstones.txt No users cannot copy this file.No they cannot change this file.No user outrside group can not change file. No they cannot change file.No its not executable.

chmod 666 flintstones.txt