IBM AIX Basic Operations V5.

Transcription

1 IBM AIX Basic Operations V5

2 QUESTION: 122 Which of the following options describes the rm -i command? A. It removes and reports the file names it removes. B. It prompts before removing each file specified. C. It removes files indiscriminately at the current directory level. D. It prompts for the names of files to remove only if wildcards are used in the command arguments. QUESTION: 123 Which of the following is one way a user could copy several words to the command prompt in an AIXTerm window? A. Move the cursor to the beginning of the first word to be copied, click and hold down the center mouse button, move the cursor to the end of the last word to be copied highlighting the text, and release the center mouse button, move the cursor to command prompt and click the right mouse button. B. Move the cursor to the beginning of the first word to be copied, click the left mouse button, move the cursor to the end of the last word to be copied, click the right mouse button, click the center mouse button. C. Move the cursor to the beginning of the first word to be copied, click and hold down the left mouse button, move the cursor to the end of the last word to be copied highlighting the text, and release the left mouse button, type CTRL-C, move the cursor to command prompt, type CTRL-V. D. Move the cursor to the beginning of the first word to be copied, double-click the right mouse button for each word to be copied highlighting each word. When all words have been highlighted, move the cursor to the command prompt and click the left mouse button. QUESTION: 124 Which of the following commands will force a save of any changes and then exit vi? A. :wq B. :w! C. :x D. :wq! 34

3 Answer: D QUESTION: 125 Which of the following describes the function of the -p flag of the mkdir command? A. It preserves the permissions of the parent directory for subordinate directories and files. B. It creates missing intermediate path name directories. C. It causes the mkdir command to execute as a background process. D. It preserves the date and timestamp information of the parent directory and appliies it to the subordinate directories and files. QUESTION: 126 Which of the following vi commands would be used to search backwards from the current position for the word string? A. /string B. /string/ C. :/string D.?string Answer: D QUESTION: 127 Which of the following commands should be used to list all files in the current directory that have been changed during the current 24-hour period? A. find / -ls -name "*" -print B. find.. -mtime 24 -ls C. find. -ctime 1 -print D. find./ -mtime 24 -ls QUESTION: 128 Using the Korn shell, what command will place a user in their previous working direcory? 35

4 A. cd B. cd.. C. cd D. cd. QUESTION: 129 Which of the following commands should be used to restrict read permissions to ONLY the owner for all files contained in the directory /home/me/mydir? A. chmod 777 /home/me/mydir B. chmod go-r /home/me/mydir/* C. chmod u+r /home/me/mydir/*.* D. chmod 700 /home/me/mydir QUESTION: 130 Which option is used to delete multiple messages when using the mail command? A. shell script B..delete file must exist C. d command followed by the message numbers D. dd command to set up a block of message numbers QUESTION: 131 Which command will stop a background process? A. ps -ef grep <process_id> kill -1 <process_id> B. Ctrl-c C. kill -9 <process_id> D. ps -ef grep <process_id> QUESTION:

5 Which command will display the amount of available space in all mounted filesystems? A. df B. df / C. du D. du / Answer: A QUESTION: 133 A user on system sys01 telnets to system sys07 and attempts to run an X-Windows based application, receiving the following error message: unable to open display What should the user do to resolve this problem? A. Type: export DISPLAY=sys01:0 on sys01 B. Type: export DISPLAY=sys01:0 on sys07 C. Type: export DISPLAY=sys07:0 on sys01 D. Type: export DISPLAY=sys07:0 on sys07 QUESTION: 134 What command can be run to determine if subdirectories, that do not begin with a ".", exist in the current directory? A. ls -d B. ls -l C. ls -a D. ls -i 37

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