CompTIA Security+ Certification SY0-601: The Total Course - Linux Command-Line Tools

The video tutorial covers essential Linux commands for the Security Plus exam, emphasizing their case sensitivity compared to Windows. It explains the use of CAT and GREP for viewing and filtering file contents, head and tail for selective content viewing, and logger for creating custom log entries. Network utilities like ifconfig, traceroute, and dig are discussed for network configuration and DNS resolution. The tutorial concludes with a detailed explanation of setting file permissions using the chmod command.

What is the primary function of the CAT command in Linux?

• To change file permissions

• To view the contents of a text file

• To filter text output

• To list directory contents

Which command in Linux is used to filter text output based on a pattern?

• CAT

• TAIL

• GREP

• HEAD

What does the HEAD command do by default when executed?

• Changes file permissions

• Displays the last 10 lines of a file

• Displays the first 10 lines of a file

• Filters text output

Which command allows you to write custom log entries in Linux?

• LOGGER

• TAIL

• HEAD

• GREP

What is the Linux equivalent of the Windows TRACERT command?

• NSLOOKUP

• TRACE ROUTE

• IFCONFIG

• DIG

Which command is used in Linux to test DNS name resolution?

• PING

• IFCONFIG

• DIG

• TRACE ROUTE

What numeric value represents read, write, and execute permissions in Linux?

• 7

• 6

• 5

• 4