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What is true regarding the statement beginning with #! that is found in the first line of a script?
Topic 1, Shells, Scripting and Data Management What is true regarding the statement beginning with #! that is found in the first line of a script?A . It prevents the script from being executed until the ! is removed.B . It specifies the path and the arguments of the interpreter...
Which command makes the shell variable named VARIABLE visible to subshells?
Which command makes the shell variable named VARIABLE visible to subshells?A . export $VARIABLEB . export VARIABLEC . set $VARIABLED . set VARIABLEE . env VARIABLEView AnswerAnswer: B
Which of the following commands creates a function in Bash that outputs the sum of two numbers?
Which of the following commands creates a function in Bash that outputs the sum of two numbers?A . function sumitup {echo $(($1 + $2)) ;}B . command sumitup {echo $(($1 + $2)) ;}C . function sumitup {echo $1 + $2 ;}D . method sumitup {echo $1 + $2 ;}E ....
Which Bash option prevents a user from accidentally overwriting a file with a ">"?
Which Bash option prevents a user from accidentally overwriting a file with a ">"?A . set -o safeB . set -o noglobC . set -o noclobberD . set -o appendE . set -o nooverwriteView AnswerAnswer: C
Which of the following commands prints the exit value of the most recently executed program in Bash?
Which of the following commands prints the exit value of the most recently executed program in Bash?A . echo $?B . echo $#C . echo $exitD . echo $statusE . echo $&View AnswerAnswer: A
What word will complete an if statement in bash such as the following: if [ -x "$file" ]; then echo $file _____ (Please provide the missing word only)
What word will complete an if statement in bash such as the following: if [ -x "$file" ]; then echo $file _____ (Please provide the missing word only)View AnswerAnswer: fi
What is the name of the simple graphical login manager that comes with a vanilla X11 installation? (Specify ONLY the command without any path or parameters.)
What is the name of the simple graphical login manager that comes with a vanilla X11 installation? (Specify ONLY the command without any path or parameters.)View AnswerAnswer: xdm
What word is missing from the following SQL statement? update tablename ____ fieldname='value' where id=909; (Please specify the missing word using lower_case letters only.)
What word is missing from the following SQL statement? update tablename ____ fieldname='value' where id=909; (Please specify the missing word using lower_case letters only.)View AnswerAnswer: set
When the command echo $ outputs 1, which of the following statements are true?
When the command echo $ outputs 1, which of the following statements are true?A . It is the process ID of the echo command.B . It is the process ID of the current shell.C . It is the exit value of the command executed immediately before echo.D . It is...
After issuing: function myfunction { echo $1 $2 ; } in Bash, which output does: myfunction A B C Produce?
After issuing: function myfunction { echo $1 $2 ; } in Bash, which output does: myfunction A B C Produce?A . A BB . A B CC . A CD . B CE . C B AView AnswerAnswer: A
