RedHat EX200 Question Answer
Configure ACL permissions for user john on /share/dev.
See the solution below in Explanation.
Solution:
Read-only access:
setfacl -m u:john:r-- /share/dev
Read-write access:
setfacl -m u:john:rw- /share/dev
Remove ACL permissions:
setfacl -m u:john:--- /share/dev
Detailed Explanation:
setfacl -m modifies the ACL.
u:john:r-- grants read only.
u:john:rw- grants read and write.
u:john:--- effectively removes access for that ACL entry.
ACLs are used when standard owner/group/other permissions are not enough.
TESTED 16 May 2026
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