this is bash scripting. a. When a file is created on Linux Operating System, What are...
this is bash scripting.
a. When a file is created on Linux Operating System, What are
the default permissions of the file?
b. Write a command to find the total disk space used by a specific
user on linux system?
c. what is "s" permission bit in a file?
Homework Answers
a) When a file is created on the Linux Operating System, default permissions of the file is 644.
b) Command to find the total disk space used by a specific user on a Linux system:
du -shc /home/*
c) s (setuid) means set user ID upon execution, which tells the OS to execute that program with the userid of its owner. This is typically used with files owned by root to allow normal users to execute them as root with no external tools (such as sudo).
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