16. Given 1st= (b c d e), the for loop below will print: ${!1st [@] }; do echo $a; done; (c) bede for a in (a) 0 1 2 3 (b)1234 (d)4 (e)none of the above 17. Given a (1 2) and b= (x y), what is the Bash command to obtain c= (1 2 x y)? (a) (Sa Sb) (b) (Sa) ($b) (c) S{a[@]} ${b[@]} (d) (${a[@]} ${b[@]}) (e)none of the above 18. Given f () and main (), what is the output when main is called? function () { local p=$2; q=1; r-$1; } function main () { p=1; q=2; r=3; f $p $q $r; echo $p $q $r; } (a)1 11 (b)1 12 (c)3 32 (d)311 e)None of the above 19. Given f() and main() below, calling "main 3 2 1" will print: function () { local y=$1; local z=$2; echo $x $y $z; } function main () { local x=$1; y=$2; z-$3; f $x $y $z; } (a)3 2 3 (b)3 2 2 (c)3 32 (d)311 (e)None of the above 20. Determine the output for the Bash statements: x=12; y=123; [[ $x < $y ]] && echo yes

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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please give right answers do not use other webiste and chatgpt for this answer its giving wring answers all time please also this webiste allow exert answer 3 question i am asking only 2 question please 13 16 answer correctly 

16. Given 1st =
for a in
(a) 0123
(b c d e), the for loop below will print:
${!1st [@] }; do echo $a; done;
(b)1234
(c) bc de
(d)4
(e)none of the above
17. Given a= (1 2) and b= (x y), what is the Bash command to obtain c= (1 2 x y)?
(a) ($a $b)
(b) ($a) ($b)
(c) ${a[@]} ${b[@]}
(d) (${a[@]} ${b[@]})
(e)none of the above
18. Given f () and main (), what is the output when main is called?
function f() { local p=$2; q=1; r=$1; }
function main () { p=1; q=2; r=3; f $p $q $r; echo $p $q $r; }
(a)1 11
(b)1 12
(c)3 32
(d)3 11
e)None of the above
19. Given f() and main() below, calling "main 3 2 1" will print:
function () { local y=$1; local z=$2; echo $x $y $z; }
function main () { local x=$1; y=$2; z=$3; f $x $y $z; }
(a)3 2 3
(b)3 2 2
(c)3 32
(d)3 11
(e)None of the above
[[ $x < $y ]] && echo yes
(e)none of the above
20. Determine the output for the Bash statements: x=12;
| echo no;
(a)yes
y=123;
(c)command not found (d) errors
(b)no
Transcribed Image Text:16. Given 1st = for a in (a) 0123 (b c d e), the for loop below will print: ${!1st [@] }; do echo $a; done; (b)1234 (c) bc de (d)4 (e)none of the above 17. Given a= (1 2) and b= (x y), what is the Bash command to obtain c= (1 2 x y)? (a) ($a $b) (b) ($a) ($b) (c) ${a[@]} ${b[@]} (d) (${a[@]} ${b[@]}) (e)none of the above 18. Given f () and main (), what is the output when main is called? function f() { local p=$2; q=1; r=$1; } function main () { p=1; q=2; r=3; f $p $q $r; echo $p $q $r; } (a)1 11 (b)1 12 (c)3 32 (d)3 11 e)None of the above 19. Given f() and main() below, calling "main 3 2 1" will print: function () { local y=$1; local z=$2; echo $x $y $z; } function main () { local x=$1; y=$2; z=$3; f $x $y $z; } (a)3 2 3 (b)3 2 2 (c)3 32 (d)3 11 (e)None of the above [[ $x < $y ]] && echo yes (e)none of the above 20. Determine the output for the Bash statements: x=12; | echo no; (a)yes y=123; (c)command not found (d) errors (b)no
11. What is the Bash command to find the number of characters in string S?
(a) ${#S}
(b) #{SS}
(c) #S
(d) #$S
12. The number of iterations for the for loop below is:
for a in b c d e; do echo $a; done;
(a) 1
(b)2
(c) 3
13. The number of iterations for the for loop below is:
for a in b c d e'; do echo $a; done;
(a) 1
(b)2
(c) 3
15. Given 1st =
(d)4
for a in
(a) 1
(e)none of the above
(e)none of the above
(d)4
14. Given 1st= (b c d e), the number of iterations for the for loop below is:
fo a in $1st; do echo $a; done;
(a) 1
(b)2
(c) 3
(e)none of the above
(e)none of the above
(d)4
(b c d e), the number of iterations for the for loop below is:
${1st [@] }; do echo $a; done;
(b)2
(c) 3
(d)4
(e)none of the above
Transcribed Image Text:11. What is the Bash command to find the number of characters in string S? (a) ${#S} (b) #{SS} (c) #S (d) #$S 12. The number of iterations for the for loop below is: for a in b c d e; do echo $a; done; (a) 1 (b)2 (c) 3 13. The number of iterations for the for loop below is: for a in b c d e'; do echo $a; done; (a) 1 (b)2 (c) 3 15. Given 1st = (d)4 for a in (a) 1 (e)none of the above (e)none of the above (d)4 14. Given 1st= (b c d e), the number of iterations for the for loop below is: fo a in $1st; do echo $a; done; (a) 1 (b)2 (c) 3 (e)none of the above (e)none of the above (d)4 (b c d e), the number of iterations for the for loop below is: ${1st [@] }; do echo $a; done; (b)2 (c) 3 (d)4 (e)none of the above
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