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Linux System Files and Shell Scripting

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Questions and Answers

What is the purpose of the /etc/termcap file?

It contains standard libraries for programming.

It defines the behavior of different types of terminals. (correct)

It sets up network configurations.

It manages user accounts and permissions.

Which directory contains executable files for users?

/usr/bin (correct)

/usr/lib

/usr/bin/X11

/usr/sbin

What command is used to make a script executable?

chmod +x script_name.sh (correct)

chmod +e script_name.sh

chmod +r script_name.sh

chmod +w script_name.sh

In which file would you find information about the number of interrupts per IRQ?

/proc/interrupts Signup and view all the answers

What is the conventional file extension for shell scripts?

.sh Signup and view all the answers

Which of the following directories contains architecture-independent shareable text files?

/usr/share Signup and view all the answers

What is the first step to create a shell script using vi?

Press i to enter Insert mode Signup and view all the answers

In which file would you find a description of CPU information?

/proc/cpuinfo Signup and view all the answers

Which command must be executed to run a shell script after making it executable?

./script_name.sh Signup and view all the answers

What does the directory /proc/filesystems contain?

Details about supported filesystem types Signup and view all the answers

Study Notes

Configuration Files

/etc/termcap: Defines terminal behavior. ASCII file.
/etc/X11: Directory containing X-window system configuration files.

/usr/bin: Contains executable files.
/usr/bin/X11: Symbolic link for /usr/bin.
/usr/include: Contains standard C program files.
/usr/share: Contains architecture-independent shareable text files.
/usr/lib: Contains object files and libraries.
/usr/sbin: Contains commands for system administrators (superuser).

/proc/cpuinfo: Provides CPU information.
/proc/filesystems: Information on running processes.
/proc/interrupts: Information on interrupt counts per IRQ.

Creating and Running Shell Scripts

Create a shell script file (e.g., script_name.sh). Use .sh extension.
Open the file in a text editor (e.g., vi).
Enter 'Insert' mode (i).
Write the shell script commands. (Example: #!/bin/bash\necho "Hello, World!").
Exit insert mode (Esc).
Save and quit the editor (:wq).
Make the script executable using chmod +x script_name.sh.
Run the script using ./script_name.sh.

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Description

Test your knowledge of Linux system files, including configuration, user-related files, and virtual processes. This quiz also covers the basics of creating and running shell scripts. Perfect for beginners and intermediate users alike!