Any user with write permissions

Only root

Any user

Only the file owner, directory owner, or root

chmod 644 report.doc

Both A and C

chmod u=rw,g=r,o=r report.doc

chmod u=rw,go=r report.doc

To prevent file deletion by anyone except the file owner or root

To allow all users to modify each other's files

To grant full permissions to all group members

To restrict access to only the directory owner

chown dev:developers data.txt && chmod 600 data.txt

chown dev data.txt && chmod 600 data.txt

chown dev:developers data.txt && chmod 660 data.txt

chmod dev:developers data.txt && chmod 644 data.txt

Grants read and write permissions to developers

Only changes the owner of /project to developers

Deletes files not owned by developers

Only changes the group ownership of /project to developers

SGID

None of the above

SUID

Sticky bit

Deletes files owned by the specified user and group

Removes user permissions for files in /home/userdir

Changes only the directory /home/userdir ownership

Recursively changes ownership of all files in /home/userdir

4

5

6

7

Files and directories will be set to 2775, restricting access to bob.

Group permissions are restricted, and only bob can access new files

All files will be owned by bob, and group permissions will not apply

Files will inherit groupB as the group, while bob remains the owner of the directory

rwxrw-r--

rw-rw-r--

rwxr--r--

rwxrw-rw-