اسلة فى مديول it
الأسئله بالون الأحمر
الأخيارات بالون الأسود
الأجابه بالون الأزرق
What should be done to test the lines of a shell script?
A. Use the exec command
B. Run the shell syntax checker shck
C. Model them with a high level language (e.g., “C”) first
D. Enter each one at the command line and check the results
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A. cd ; ./.profile
B. ps -ef | grep init
C. TERM=ibm3151 / export TERM
D. find /etc -print | grep motd
What is required to use the cp command to copy multiple files to a directory?
A. The last item listed for the command must be the directory.
B. A full path must be specified for each item in the command list.
C. The target directory must be listed first and the files follow.
D. A list of file names is directed to standard in and the name of the directory is assigned
to standard error.
What is the command to show the messages in folder work?
A. mail work
B. mail -f +work
C. mail -i work
D. mail -F +work
Which command will display all lines in file1 that begin with the string abc and end with
the string xyz ?
A. grep “^abc*xyz$” file1
B. grep abc*xyz\\n file1
C. grep ^abc file1 | grep -v xyz$ file1
D. grep “^abc” file1 | grep “xyz$”
Which of the following vi commands could be used to delete the current line of text and
enter insert mode?
Which of the following commands would be used to move the current line of text?
What is the correct user command to remove the link foo?
A. ln -s foo /dev/null
B. ln foo garbage
C. unlink foo
D. rm foo