# Dasar-dasar Linux (DevOps) > File system, permissions, users & groups, package managers, systemd, logs, processes - 22 pertanyaan wawancara - Junior - [Pertanyaan Wawancara: DevOps](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara.md) ## 1. Apa itu direktori /etc di Linux? **Jawaban** Direktori /etc berisi file konfigurasi sistem dan aplikasi yang diinstal pada sistem. Ini adalah lokasi standar di mana administrator menemukan file konfigurasi untuk dimodifikasi guna menyesuaikan perilaku sistem. File umum meliputi /etc/passwd untuk pengguna, /etc/hosts untuk resolusi DNS lokal, dan /etc/fstab untuk mounting file system. ## 2. Apa peran direktori /var di Linux? **Jawaban** Direktori /var menyimpan data variabel yang sering berubah selama pengoperasian sistem. Ini mencakup log di /var/log, cache di /var/cache, print spool di /var/spool, dan database lokal. Nama var berasal dari variable karena kontennya terus berubah berbeda dengan file statis di /usr atau /etc. ## 3. Perintah mana yang menampilkan daftar file dan direktori di direktori saat ini? **Jawaban** Perintah ls menampilkan daftar file dan direktori di direktori saat ini. Dapat digunakan dengan berbagai opsi seperti -l untuk tampilan detail yang menampilkan permissions, -a untuk menampilkan file tersembunyi yang dimulai dengan titik, dan -h untuk menampilkan ukuran dalam format yang dapat dibaca. Ini adalah salah satu perintah Linux yang paling sering digunakan sehari-hari. ## 19 pertanyaan lagi tersedia - Apa yang diwakili oleh karakter pertama dalam permissions file yang ditampilkan oleh ls -l? - Perintah mana yang mengubah direktori kerja saat ini? Daftar gratis: https://sharpskill.dev/id/login ## Topik wawancara DevOps lainnya - [Kontrol Versi & Git](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/version-control-git.md): 20 pertanyaan, Junior - [Shell Scripting & Bash](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/shell-scripting-bash.md): 20 pertanyaan, Mid-Level - [Dasar-Dasar Networking](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/networking-basics.md): 22 pertanyaan, Junior - [Dasar-Dasar Docker](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/docker-fundamentals.md): 24 pertanyaan, Junior - [Dasar-Dasar CI/CD](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/ci-cd-fundamentals.md): 18 pertanyaan, Junior - [GitHub Actions](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/github-actions.md): 22 pertanyaan, Mid-Level - [GitLab CI/CD](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/gitlab-ci.md): 22 pertanyaan, Mid-Level - 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