Linux Intermediate Questions
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Can you explain the Linux boot process?
The Linux boot process involves several stages: BIOS, bootloader (like GRUB), kernel, init process, and shell/login.
What is a symbolic link, and how does it differ from a hard link?
symbolic link is a file that points to another file or directory, while a hard link is a mirror copy of the original file.
Can you explain what "inodes" are in Linux?
Inodes in Linux contain information about a file or directory such as its owner, permissions, and location of the data on the disk.
How do you schedule tasks in Linux?
You can schedule tasks in Linux using the cron or at utilities.
What are environmental variables, and why are they important?
Environment variables are dynamic values that affect the processes or programs on a computer. They can be used to control behavior of software on the system.
What does a pipe (|) do in Linux?
A pipe (|) in Linux takes the output of one command and uses it as the input to another.
How do you check the disk usage of a particular directory?
The du command can be used to check the disk usage of a directory.
Explain the usage of "grep" command.
grep is a command used for pattern searching in Linux. It searches for the pattern, specified in the command line, in a given file(s).
What is the purpose of the /etc, /var, and /usr directories?
/etc contains configuration files, /var is for variable data files, and /usr holds user-installed applications and files.
What is a 'zombie process' in the context of Linux?
A 'zombie process' is a process that has completed execution but still has an entry in the process table.
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