linux permissions
permission = read(4) + write(2) + execute(1)
ls -l [path]
---------- # file
d--------- # directory
-rwx------ # owner
----rwx--- # group
-------rwx # other
chmod [permissions] file
(u)ser, (g)roup, (o)ther, (a)ll
chmod o+rwx file # add rwx for other
chmod o=rw file # set rw for other
chmod og-x file # remove x from other and group
chmod a+r file # everyone can read
# Numeric
chmod 724 file # owner=everything, group=writing, other=readinglinux chmod permissions
The three rightmost digits define permissions for the:
file user, the group, and others.
# Permission rwx Binary
7 read, write and execute rwx 111
6 read and write rw- 110
5 read and execute r-x 101
4 read only r-- 100
3 write and execute -wx 011
2 write only -w- 010
1 execute only --x 001
0 none --- 000Copyright © 2021 Codeinu
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