Page 40 - RHEL8 BOOK
P. 40
ACCESS MODE
Permission
Absolute Mode Symbolic Mode
4 2 1 r w x
ACCESS MODE
Access File Directory
Mode
r 4 To display contents of a file To list contents of a dir
w 2 To create or append a file To create files & directories
x 1 To execute a file To execute to a directory
Binary to Decimal Conversion
Total 3 bits, Value will be 0s and 1s
i.e. 2 = 8 combination
3
Binary to Decimal Conversion
0
1
2
2 2 2
0 0 0 = 0 None
0 0 1 = 1 Execute (x)
0 1 0 = 2 Write (w)
0 1 1 = 3 Write & Execute (wx)
1 0 0 = 4 Read (r)
1 0 1 = 5 Read & Execute (rx)
1 1 0 = 6 Read & W rite (rw)
1 1 1 = 7 Read, Write & Execute (rwx)
r w x Permissions
S. Pradhan
(MCA, MBA-IT, BCA, CCNA, MCSA 2012, RHCE, ETHICAL HACKING)
Email Id:-spradhan.iiht@gmail.com
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