Which of the following commands can a root user use to change the ownership of a file?
You work as a Network Administrator for McRoberts Inc. The company has a Linux-based network. You are troubleshooting a Linux computer. You need to know what partitions exist on local hard drives.
Which of the following commands will you use for this purpose?
A. fdisk -l
D. e2fsck -y
In Linux, which of the following commands is used to force printing of non-printable characters in the octal \ddd notation?
A. ls -a
B. ls -C
C. ls -p
D. ls -b
Which of the following commands is used to uncompress a compressed file named zipped.tar.gz?
A. TAR -xzf zipped.tar.gz
B. TAR -xvf zipped.tar.gz
C. TAR -cvf zipped.tar.gz
D. TAR -czf zipped.tar.gz
You work as a Network Administrator for Net World Inc. The company has a Linux-based network. You install the GCC distribution on your Linux computer. When you run the GCC command, the computer returns the following error:
Command not found
You verify that GCC is properly installed on your computer. What is the most likely cause?
A. The GCC distribution is corrupted.
B. The RAM in your computer is too low to run the program.
C. The GCC distribution is not properly installed.
D. The $PATH environment variable is not properly configured.
You work as a Database Administrator for Net Perfect Inc. The company has a Linux-based network. You want to search for files quickly and securely by looking them up in a database, which is typically updated by a nightly cron job. Which of the following commands can you use to accomplish the task?
You work as a Technician for Net World Inc. The company has a Linux-based network. You have configured a file server on the company’s network. You want to summarize disk usage of each file in a particular directory on the file server. Which of the following commands will you use?
You work as a Database Administrator for Net Perfect Inc. The company has a Linux-based network. You want to run the GUI command on $HOSTNAME as a $USER. Which of the following commands can you use to accomplish the task?
A. scp -p -r $USER@$HOST: file dir/
B. ssh $USER@$HOST commandname
C. ssh -g -L 8080:localhost:80 root@$HOST
D. ssh -f -Y $USER@$HOSTNAME xeyes
The Linux systems come with several types of help facilities. These help facilities are used for different purposes. Drag these help facilities in front of their appropriate descriptions (uses).
In Linux, which of the following commands is used to view a binary file in hexadecimal, octal, and character formats?
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