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Top Forums UNIX for Beginners Questions & Answers Answer the qs in UNIX commands Post 303026153 by balaji23_d on Wednesday 21st of November 2018 02:30:15 AM
Old 11-21-2018
Answer the qs in UNIX commands

1) whats the output of the below script, when executed at the command line
vi test.ksh
echo 'output $@:'$@
echo 'output$#:'$#
----------------
cmd execution as follows
$test.ksh Hello"


a)output $@:1,output $#:Hello
b)output $@:Hello,output $#:1
c)output$@:,output $#:
d)None of the above


2)whats the output of following script
pdate='20090130
pcomp='ABC
echo '$pdate'"_$pdate"
a)ABC+20090130
b) $pcomp_20090130
c)ABC_$pdate
d)ABC_pdate




3) whats the output for the following environment variable
echo "SHELL1"$SHELL"
SHELL='Hello'
echo "SHELL2:$SHELL"
a)SHELL1:,SHELL2:
b)SHELL1:ksh,SHELL2:Hello
c)SHELL1: <default shell>,SHELL2:Hello
d) SHELL1:SHELL,SHELL2:SHELL
 

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print(1)							   User Commands							  print(1)

NAME
print - shell built-in function to output characters to the screen or window SYNOPSIS
ksh print [ -Rnprsu [n]] [arg...] DESCRIPTION
ksh The shell output mechanism. With no flags or with flag - or -, the arguments are printed on standard output as described by echo(1). OPTIONS
The following options are supported: -n suppresses new-line from being added to the output. -R -r (raw mode) ignore the escape conventions of echo. The -R option will print all subsequent arguments and options other than -n. -p causes the arguments to be written onto the pipe of the process spawned with |& instead of standard output. -s causes the arguments to be written onto the history file instead of standard output. -u [ n ] flag can be used to specify a one digit file descriptor unit number n on which the output will be placed. The default is 1. EXIT STATUS
The following exit values are returned: 0 Successful operation. >0 Output file is not open for writing. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
echo(1), ksh(1), attributes(5) SunOS 5.10 15 Apr 1994 print(1)
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