A. chmod 557 /bin/foo
B. chmod o+rwx.a+rx/bin/foo
C. chown 557 /bin/foo
D. chmod 755/bin/foo
您可能感兴趣的试卷
你可能感兴趣的试题
A. SCSI-1 supports only 8 devices including the adaptor.
B. SCSI-1 supports only 6 disks per adaptor.
C. There is a SCSI-ID conflict that causes that problem.
D. You forgot to set the SCSI-ID #8 for the new disk.
A. Run ext2fs ACL.
B. Use a hard link.
C. Use a symbolic link.
D. Use the loopback device.
E. Create a block device offset.
A. cut -d： -f 1，3 /etc/passwd
B. chop -c 1，3 /etc/passwd
C. tac 1-3/etc/passwd
D. fmt -u /etc/passwd
A. the Fonts section
B. the Files section
C. the xfsCodes section
D. the Graphics section
E. the modeline section
Given the following output： prompt> myapp
[1]+ Stopped myapp prompt>
Which of the following commands will resume executing the stopped process while allowing the user to continue to type commands at the command prompt？（）
A. bg myapp
B. continue myapp
C. exec myapp
D. fg myapp
E. myapp &
A. nouidchk
B. alluser
C. user
D. auto
A. software to predict the location of installed files and directories
B. software to predict the ownership and access rights to files and directories
C. users to predict the location of installed files and directories
D. users to predict how the filesystem should be formatted according to need
A. locate
B. which
C. find
D. query
E. whereis
A. export LD_PRELOAD=/usr/local/lib
B. export LD_LIBRARY_PATH=/usr/local/lib
C. Idconfig /usr/local/lib
D. Idd/usr/local/lib
最新试题
What information is displayed by the command cat/proc/dma？（）
Which of the following commands makes /bin/foo executable by everyone but writable only by its owner？（）
You wish to kill a process with a PID of 123. Select the command which exiting.（）
You have just added a CD.ROM drive （/dev/hdd） to your system and have added it to yourfstab. Typically you can use which of the following commands to mount media in that drive to /mnt/cdrom？（）
What application can be used in place of xhost？ Please enter only the name without path. Answer：（）
What command with all options and/or parameter will send the signal USR1 to any executing process of program apache2？（）
What does the Filesystem Hierarchy Standard enable？ （）
Many people like the vi text editor but the default bash command line editor recognizes emacs keystrokes. What command entered into a bash initialization file will have bash recognize vi keystrokes after login？（）
The command echo $! will produce what output？（）
You have run out of disk space on a partition. Which of the following would be an easy way to move data to a new partition without reconfiguring the path to the data in existing applications？（）