What does the ctime of a file indicate?
A. Creation time
B. Change time
C. Content time
D. Character time
If one or more CPUs in a system is extremely busy (less than 25% idle) but the run queue is relatively low, what might the system need to improve performance?
A. Faster CPUs
B. More CPUs
C. More memory
D. Faster hard drives
Which two characters are required at the top of a script to inform the kernel on which interpreter to use? (choose two)
A. !!
B. $!
C. #$
D. #!
In bash scripting, which of the following comparison operators are used on strings?
A. -gt
B. -eq
C. ==
D. <=
E. -f
Which utility can be used to remove sections or columns of each line of input?
A. sort
B. cut
C. paste
D. diff
E. grep
Which of the following is true when using the mv command to move a file to a new location on the same filesystem?
A. It is not recommended because the filesystem could be corrupted
B. It is slow because the data has to be read and written
C. It is not recommended, and the cp command should be used instead
D. It is very fast because only the directory entry needs updating
Which of the following interpreters are included on Arista switches?
A. /usr/bin/bash
B. /usr/bin/perl
C. /usr/bin/python
D. /usr/bin/Cli
E. All of them
What is the two-character sequence at the top of scripts, which tells the kernel what interpreter to use, called?
A. Scripthash
B. Bangscript
C. Hashscript
D. Shebang
The sed utility's name is short for what?
A. stdout editor
B. stream editor
C. simple editor
D. string editor
The init system in Linux has been replaced by what?
A. SysDB
B. systemd
C. ProcMgr
D. Lauchner