Question

unix

Given the following directory entry:

-rw-r--r-- l alex pubs 1338 Feb 10 17:01 to_do_today

1- true or false: to_do_today is a directory.

2-true or false: Members of the pubs group have permission to read to_do_today?

3-true or false: The command to change privileges on to_do_today to rw-rw-rw- is chmod 777 to_do_today.

Answer 1

1. True

to_do_today is not a directory because it's permission is not started with d.

2. True

Members of the pubs group have permission to read to_do_today file because of

-rw-r--r-- l alex pubs 1338 Feb 10 17:01 to_do_today

Here the highlighted r represents the permission to read the pubs group.

3. False

Because 777 gives permission to all for read,write and execute.

7 = 4+2+1

4 for read i.e r

2 for write i.e w

1 for execute i.e x

But in your case the to_do_today file have only permission of read and write.

I have explained everything in details. Still if you have any confusion then please comment below so that I will clear your confusion.

Thank you.

Hope you like it.