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  1. How-To Geek
    https://www.howtogeek.com/812961/umask-linux

    What Is umask in Linux, and How Do You Use It? - How-To Geek

    • All directories and files have flags called mode bits that decide whether they can be read, written to, or executed. Executing a file means running it like a program or a script. For a directory, you must be able to "… See more

    The Mode Bits

    You can see the permissions for files by using the lscommand and the (long format) option. We'll also look at a directory by adding the -d (directory) option. Without this option, lsw… See more

    How-To Geek
    The Default Permissions and umask

    The default permissions for a directory are 777, and the default permissions for a file are … See more

    How-To Geek
    The umask Value

    The umask value is set globally with one value for root and a different one for all other users. But it can be set to a new value for anyone. To see what the current umask setti… See more

    How-To Geek
    How umask Masks Out Permissions

    Subtracting the mask value from the default permissions gives you the actual permissions. In other words, if a permission is set in the umask value it will not be set in the permiss… See more

    How-To Geek
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    Table of Contents
    The Mode Bits
    The Default Permissions and umask
    The umask Value
    How umask Masks Out Permissions
     

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  2. GeeksForGeeks
    https://www.geeksforgeeks.org/umask-command-in...

    Umask command in Linux with examples - GeeksforGeeks

     
  3. nixCraft
    https://www.cyberciti.biz/tips/understanding-linux...

    What is Umask and How To Setup Default umask Under Linux?

  4. Ask Ubuntu
    https://askubuntu.com/questions/44542

    What is "umask" and how does it work? - Ask Ubuntu

  5. Linuxize
    https://linuxize.com/post/umask-command-in-linux

    Umask Command in Linux | Linuxize

  6. Liquid Web
    https://www.liquidweb.com/blog/what-is-umask-and...

    What Is Umask? How to Use it Effectively - Liquid Web

  7. People also ask
    What is umask and how is it determined on a Linux system?
    umask sets the mask applied to newly created file and directory permissions. For directories, the base permissions are (rwxrwxrwx) and for files they are 666 (rw-rw-rw).

    What is umask and how is it determined on a Linux system?

    access.redhat.com
    What does umask do?
    190 The umask acts as a set of permissions that applications cannot set on files. It's a file mode creation mask for processesand cannot be set for directories itself. Most applications would not create files with execute permissions set, so they would have a default of 666, which is then modified by the umask.

    What is "umask" and how does it work? - Ask Ubuntu

    askubuntu.com
    How do I set umask in Linux?
    A umask can be set or expressed using: Use the umask command to set default file permissions on Linux and Unix-like machines. The umask command without any arguments will display the current value of the shell’s umask. For example: You can set up umask in /etc/bashrc or /etc/profile file for all users.

    What is Umask and How To Setup Default umask Under Linux?

    cyberciti.biz
    What is umask value?
    The umask value contains the permission bits that will NOT be set on the newly created files and directories. As we have already mentioned, the default creation permissions for files are 666 and for directories 777. To calculate the permission bits of the new files, subtract the umask value from the default value.

    Umask Command in Linux | Linuxize

    linuxize.com
    What does umask 0 mean in Linux?
    All the newly created files and directories on your system will use the permissions defined by the umask command. 0002 means that the first digit 0 is known as a sticky bit, which is a special security feature. The next three digits denote the octal umask value of the file or directory umask.

    Linux umask Command Explained

    linuxopsys.com
    What is a default umask for a root user?
    The default umask for the root user is 022 result into default directory permissions are 755 and default file permissions are 644. For directories, the base permissions are (rwxrwxrwx) 0777 and for files they are 0666 (rw-rw-rw). In short, A umask of 022 allows only you to write data, but anyone can read data.

    What is Umask and How To Setup Default umask Under Linux?

    cyberciti.biz
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  8. phoenixNAP
    https://phoenixnap.com/kb/what-is-umask

    What is Umask and How to Use It {Update Default Linux File

  9. LinuxOPsys
    https://linuxopsys.com/linux-umask-command

    Linux umask Command Explained - LinuxOPsys

  10. Baeldung
    https://www.baeldung.com/linux/umask

    What Is a umask and How to Set It System-Wide? | Baeldung on …

  11. Wikipedia
    https://en.wikipedia.org/wiki/Umask

    umask - Wikipedia

  12. Medium
    https://medium.com/it-security-in-plain-english/...

    Understanding Linux Permissions: A Guide to umask, chmod, …

  13. linuxnix.com
    https://www.linuxnix.com/umask-define-linuxunix

    What is UMASK and how to set UMASK in Linux/Unix?

  14. HowtoForge
    https://www.howtoforge.com/linux-umask

    What is umask in Linux? - HowtoForge

  15. Linuxaria
    https://linuxaria.com/article/linux-shell...

    Linux shell: understanding Umask with examples - Linuxaria

  16. Red Hat Customer Portal
    https://access.redhat.com/articles/1743

    What is umask and how is it determined on a Linux system?

  17. IOFLOOD
    https://ioflood.com/blog/umask-linux-command

    Linux 'umask' Command: Default Permissions Guide

  18. tutonics.com
    https://tutonics.com/articles/linux-file-permissions-chmod-umask

    Linux file permissions, chmod and umask - Tutonics

  19. Linux Training Academy
    https://www.linuxtrainingacademy.com/all-umasks

    Every possible umask mode for Linux and Unix. - Linux Training …

  20. GoLinuxHub
    https://www.golinuxhub.com/2014/05/understanding...

    Understanding UMASK value in Linux - GoLinuxHub

  21. ArchWiki
    https://wiki.archlinux.org/title/Umask

    umask - ArchWiki

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