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Q51. - (Topic 3)
Which of the following commands can be used to determine how long the system has been running? (Choose TWO correct answers.)
D. uname -u
E. time –up
Q52. CORRECT TEXT - (Topic 2)
Which command will disable swapping on a device? (Specify ONLY the command without any path or parameters.)
Answer: swapoff, /sbin/swapoff
Q53. - (Topic 4)
What is the purpose of the Filesystem Hierarchy Standard?
A. It is a security model used to ensure files are organized according to their permissions and accessibility.
B. It provides unified tools to create, maintain and manage multiple filesystems in a common way.
C. It defines a common internal structure of inodes for all compliant filesystems.
D. It is a distribution neutral description of locations of files and directories.
Q54. - (Topic 1)
Which of the following are init systems used within Linux systems? (Choose THREE correct answers.)
E. SysV init
Q55. - (Topic 3)
Which of the following commands moves and resumes in the background the last stopped shell job?
Q56. - (Topic 3)
When running the command
sed -e "s/a/b/" /tmp/file >/tmp/file
While /tmp/file contains data, why is /tmp/file empty afterwards?
A. The file order is incorrect. The destination file must be mentioned before the command to ensure redirection.
B. The command sed did not match anything in that file therefore the output is empty.
C. When the shell establishes the redirection it overwrites the target file before the redirected command starts and opens it for reading.
D. Redirection for shell commands do not work using the > character. It only works using the | character instead.
Q57. - (Topic 3)
Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?
A. cat < myapp | cat > file1.log
B. myapp 0>&1 | cat > file1.log
C. myapp | cat > file1.log
D. myapp | tee file1.log
E. tee myapp file1.log
Q58. - (Topic 4)
Which of the following commands creates an ext3 filesystem on /dev/sdb1? (Choose TWO correct answers.)
A. /sbin/mke2fs -j /dev/sdb1
B. /sbin/mkfs -t ext3 /dev/sdb1
C. /sbin/mkfs -c ext3 /dev/sdb1
D. /sbin/mke3fs -j /dev/sdb1
Q59. - (Topic 3)
Which of the following commands can be used to create a USB storage media from a disk image?
Q60. - (Topic 3)
Which grep command will print only the lines that do not end with a / in the file foo?
A. grep '/$' foo
B. grep '/#' foo
C. grep -v '/$' foo
D. grep -v '/#' foo