题目内容

Which character is used to represent the continuation of a command over several lines?

A. /
B. |
C. \
D. -

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Which of the following commands is used to manually pass a text file, script.sh, to the shell interpreter?

A. bash script.sh
B. script.sh bash
C. ./script.sh
D. .sh ./script

Which command is used to make some_script.sh executable?

A. chmod a some_script.sh
B. chmod +x some_script.sh
C. ./some_script.sh some_command
D. cat ./somescript.sh

Which of the following Linux device nodes provide random numbers? Select all answers that apply.

A. /dev/rnd
B. /dev/urandom
C. /dev/urnd
D. /dev/random

Which command is used to create a temporary directory?

A. mktemp –d
B. mktemp –dir
C. mkstemp -d
D. mktempdir

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