Jnachi Certified Linux Systems Administration & Shell Scripting Specialist
Validates hands-on capability in Linux operating system administration and automated Bash shell scripting. Assesses Linux directory structures (/etc, /var, /proc), permission models (chmod, chown, SUID), process management (ps, top, kill, systemctl), I/O streams and pipelines (stdin/stdout/stderr, grep, sed, awk), and robust Bash automation scripts with error handling and scheduled Cron jobs.
Jnachi Certified Linux Systems Administration & Shell Scripting Specialist
Validates hands-on capability in Linux operating system administration, POSIX command-line mastery, and robust Bash automation scripting.
Exam Competency Matrix & Domain Breakdown
Select any domain below to inspect tested skills, real-world scenarios, and preparation materials.
Filesystem Hierarchy, Inodes & Process Model
FHS directories (/etc, /var, /proc), hard vs soft links, file permission octals, process states, and standard I/O file descriptors.
Understanding directory structures, inode allocation, link mechanics, and mount points.
Process lifecycle, init systemd (PID 1), signals (SIGTERM vs SIGKILL), and standard streams (stdin/stdout/stderr).
Portal Registration Required Before Exam
Your full name, location, and organization are verified and printed directly on your official diploma.
Exam Objectives & Tested Competencies
Proctored StandardLinux Filesystem Hierarchy Standard (FHS) & File Management Commands
Evaluated in scenario-based proctored questions.
User Authentication, File Permissions (chmod/chown) & SUID/SGID
Evaluated in scenario-based proctored questions.
Bash Shell Scripting (Variables, Conditionals, Loops & Functions)
Evaluated in scenario-based proctored questions.
Standard I/O Streams, Pipes, Text Processing (grep/sed/awk) & Systemd/Cron
Evaluated in scenario-based proctored questions.
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