ACSP - Apple Certified Support Professional Command-Line Interface Questions and Answers

Question 1

A technician needs to find all files ending with the `.log` extension within the `/Users/Shared/` directory that have been modified in the last 48 hours.
Which of the following commands is the most precise way to accomplish this?

Accepted Answer

find /Users/Shared/ -name "*.log" -mtime -2

Answer

ls -lt /Users/Shared/*.log

Answer

grep -r ".log" /Users/Shared/

Answer

mdfind -onlyin /Users/Shared/ "kind:log"

Question 2

In the command `ps aux | grep 'Final Cut Pro'`, what is the primary function of the pipe `|` character?

Accepted Answer

It sends the standard output of the `ps aux` command to be used as the standard input for the `grep` command.

Answer

It runs the `ps` and `grep` commands simultaneously in parallel.

Answer

It saves the output of `ps aux` to a file named `grep`.

Answer

It compares the output of the two commands to find differences.

Question 3

A script named `backup.sh` needs to be run, but when the user tries `./backup.sh`, the shell returns a 'Permission denied' error. The output of `ls -l backup.sh` is `-rw-r--r--`. Which command will make the script executable for the file's owner only?

Accepted Answer

chmod u+x backup.sh

Answer

chmod 755 backup.sh

Answer

chown root backup.sh

Answer

sudo ./backup.sh

Question 4

A support professional needs to generate a comprehensive report of a Mac's hardware, including details about memory, PCI cards, and attached USB devices, directly from the command line. Which utility is the command-line equivalent of the System Information app?

Accepted Answer

system_profiler

Answer

hwinfo --all

Answer

sysctl -a

Answer

uname -m

Question 5

To ensure a critical software update process is not interrupted, an administrator needs to prevent a Mac from sleeping for the duration of a single command. Which of the following is the BEST way to run `softwareupdate -iaR` while temporarily preventing system sleep?

Accepted Answer

caffeinate softwareupdate -iaR

Answer

pmset -a sleep 0; softwareupdate -iaR

Answer

nohup softwareupdate -iaR

Answer

sleep 0; softwareupdate -iaR

Question 6

A technician needs to view a live, continuous stream of all new system and application log messages as they are generated to diagnose an intermittent issue. Which command provides this real-time view into the macOS unified logging system?

Accepted Answer

log stream

Answer

tail -f /var/log/system.log

Answer

log show --last 1m

Answer

cat /var/log/syslog

A technician needs to find all files ending with the `.log` extension within the `/Users/Shared/` directory that have been modified in the last 48 hours.Which of the following commands is the most precise way to accomplish this?

A technician needs to find all files ending with the `.log` extension within the `/Users/Shared/` directory that have been modified in the last 48 hours.
Which of the following commands is the most precise way to accomplish this?