CompTIA · A+ 220-1202
Linux
A+ 220-1202 · Lesson 9 of 29 · 57:16
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In this lesson
Prepare for the CompTIA A+ Core 2 (220-1202) exam. In this lesson: file commands (ls, pwd, mv, cp, rm, chmod, chown, grep, find), fsck and mount, root, su, and sudo, apt and dnf, network and information commands, nano, the main files in the etc folder, the kernel, the bootloader, and systemd. Includes three original practice questions.
Preview the topics
- A technician must install a package on an Ubuntu workstation, and a normal account cannot change the system. Which command fits?
- A Linux server’s disk is almost full, and the technician wants to see the free space on each filesystem. Which command fits?
- Which file in the etc folder holds the hashed passwords of the Linux user accounts?