Mac set file permissions command line

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How to Get Octal File Permissions from Command Line in Mac OS

Christopher Kyle Horton If this is not a duplicate, please mark this as Protected. This is an important question. For example ls -l acroread -rwxr-xr-x 1 floppy May 8 acroread What does this mean?

How to Use the Terminal: 'chmod' Command Demystified and Put to Use

Octal notation Permission of file can also be represented in octal notation. In octal notation Read or r is represented by 4, Write or w is represented by 2 Execute x is represented by 1. Sum of these three is use to represent the permission.

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You can use either long listing: ls -l [filename] Or stat: stat [filename] Stat is more comprehensive; it shows you the access, modify and change times, as well as Inode and size information, which may or may not be useful to you. Viv Diwakar Viv Diwakar 1 1 silver badge 4 4 bronze badges. Note: "it depends", that command will show standard permissions, however, your access can be limited by other means, acl, apparmor, and selinux can all limit access outside of what is shown by ls -l.

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Understanding default permissions in OS X

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Post for clarifications on the updated pronouns FAQ. Linked 8. These can be achieved by issuing this command. But what are those 7s you may ask? Use this as an example. This will change the owner of the file from root to ladmin and group ownership from wheel to the admin group. While the author has taken care to provide our readers with accurate information, please use your discretion before acting upon information based on the blog post.

What do these mean?

How To View File Permissions

Your email address will not be published. Value Permission Directory Listing 0 No read, no write, no execute — 1 No read, no write, execute —x 2 No read, write, no execute -w- 3 No read, write, execute -wx 4 Read, no write, no execute r— 5 Read, no write, execute r-x 6 Read, write, no execute rw- 7 Read, write, execute rwx. About The Author. Leave a Reply Cancel reply Your email address will not be published.