Set 9

Ubuntu L1-Cadet Industry Assignments

(Part 9 | Index 81–90) Root Working Directory: ~/kactii23

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81. IT Operations: Directory Listing Format Audit

Scenario: Ops needs multiple directory views for documentation.

Instructions:

• Navigate to ~/kactii23

• Create a folder named listing_formats

• Create files and subdirectories

• Display listings in long, single-column, and human-readable formats

• Save outputs to ls_formats.txt

Commands Expected: ls, ls -l, ls -lh, ls -1, redirection

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82. Junior SysAdmin: File Creation Order Tracking

Scenario: Investigate order of file creation.

Instructions:

• Navigate to ~/kactii23

• Create a folder named creation_order

• Create multiple files sequentially

• Display files sorted by time

• Save output to creation_order.txt

Commands Expected: touch, ls -lt, redirection

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83. Operations Support: Standard Input Redirection

Scenario: Practice controlled input handling.

Instructions:

• Navigate to ~/kactii23

• Create a folder named stdin_demo

• Create a text file

• Use the file as standard input to a command

• Save command output to stdin_output.txt

Commands Expected: cat, <, redirection

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84. Infrastructure Engineer: File Attribute Inspection

Scenario: Verify extended file attributes.

Instructions:

• Navigate to ~/kactii23

• Create a folder named file_attributes

• Inspect file attributes

• Save attribute details to attributes.txt

Commands Expected: lsattr, chattr (view only), redirection

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85. Cloud Ops: Environment Variable Export Test

Scenario: Variables not persisting as expected.

Instructions:

• Navigate to ~/kactii23

• Create a folder named env_export

• Set and export an environment variable

• Verify visibility in child shells

• Document results in env_export.txt

Commands Expected: export, echo, subshell usage

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86. QA Engineer: Duplicate Line Detection

Scenario: Text files contain redundant entries.

Instructions:

• Navigate to ~/kactii23

• Create a folder named duplicate_lines

• Create a text file with repeated lines

• Detect duplicate lines

• Save results to duplicates.txt

Commands Expected: sort, uniq, redirection

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87. DevOps Support: Background vs Foreground Process Test

Scenario: Clarify job control behavior.

Instructions:

• Navigate to ~/kactii23

• Run a command in background

• List active jobs

• Bring job to foreground

• Document behavior in job_control.txt

Commands Expected: &, jobs, fg

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88. Site Reliability: Network Interface State Check

Scenario: Diagnose intermittent network issues.

Instructions:

• Navigate to ~/kactii23

• List network interfaces

• Check interface states

• Save output to interfaces.txt

Commands Expected: ip link, ip a, redirection

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89. Linux Admin: System User Enumeration

Scenario: Audit local system users.

Instructions:

• Navigate to ~/kactii23

• List system users

• Filter human vs system users

• Save output to users.txt

Commands Expected: /etc/passwd, cut, grep, redirection

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90. Operations Engineer: Command Help & Manual Review

Scenario: Document command usage for juniors.

Instructions:

• Navigate to ~/kactii23

• Access help and manual pages for key commands

• Capture selected help output

• Save to command_help.txt

Commands Expected: --help, man, redirection

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