0
votes
2answers
54 views

Make file in linux readonly

Is there a way to make a file readonly permanently in linux. Or can I put a password to a file to make it readonly, then apply that password again to change its permission, or before they can alter ...
19
votes
2answers
1k views

How do I make a file NOT modifiable?

While logged in, I can do the following: mkdir foo touch foo/bar chmod 400 foo/bar chmod 500 foo Then I can open vim (not as root), edit bar, force a write with w!, and the file is modified! How ...
30
votes
2answers
10k views

Why can rm remove read-only files?

If I create a file and then change its permissions to 444 (read-only), how come rm can remove it? If I do this: echo test > test.txt chmod 444 test.txt rm test.txt ...rm will ask if I want to ...
3
votes
2answers
1k views

Tar overwrites read only files

I created directory test, created file 1.txt in test, wrote 'Before' in this file. Then I went cd .. and used the command: tar -cvzf ./test.tgz ./test Then I entered the test dir again. Opened ...