The AND function evaluates two conditions; if one or both of the conditions is True, the displayed value will be TRUE
Indicate whether the statement is true or false.
Answer: FALSE
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What is the purpose of the sizeof operator?
A. Returns the number of digits in a variable. B. Returns the size of the variable in bytes but not the size of the data type. C. Returns the range of the datatype. D. Returns the number of bytes of either the variable or the datatype.
What command would change the permissions of myFile.txt to rwxrwxrwx, granting any user in the system full access to the file?
File Permissions Visualize and Change the File Permissions. a. Navigate to /home/analyst/lab.support.files/scripts/.
[analyst@secOps ~]$ cd lab.support.files/scripts/b. Use the ls -l command to display file permissions.
[analyst@secOps scripts]$ ls -l total 60 -rwxr-xr-x 1 analyst analyst 190 Jun 13 09:45 configure_as_dhcp.sh -rwxr-xr-x 1 analyst analyst 192 Jun 13 09:45 configure_as_static.sh -rwxr-xr-x 1 analyst analyst 3459 Jul 18 10:09 cyberops_extended_topo_no_fw.py -rwxr-xr-x 1 analyst analyst 4062 Jul 18 10:09 cyberops_extended_topo.py -rwxr-xr-x 1 analyst analyst 3669 Jul 18 10:10 cyberops_topo.py -rw-r--r-- 1 analyst analyst 2871 Apr 28 11:27 cyops.mn -rwxr-xr-x 1 analyst analyst 458 May 1 13:50 fw_rules -rwxr-xr-x 1 analyst analyst 70 Apr 28 11:27 mal_server_start.sh drwxr-xr-x 2 analyst analyst 4096 Jun 13 09:55 net_configuration_files -rwxr-xr-x 1 analyst analyst 65 Apr 28 11:27 reg_server_start.sh -rwxr-xr-x 1 analyst analyst 189 Dec 15 2016 start_ELK.sh -rwxr-xr-x 1 analyst analyst 85 Dec 22 2016 start_miniedit.sh -rwxr-xr-x 1 analyst analyst 76 Jun 22 11:38 start_pox.sh -rwxr-xr-x 1 analyst analyst 106 Jun 27 09:47 start_snort.sh -rwxr-xr-x 1 analyst analyst 61 May 4 11:45 start_tftpd.shc. The touch command is very simple and useful. It allows for the quick creation of an empty text file. Use the command below to create an empty file in the /mnt directory:
[analyst@secOps scripts]$ touch /mnt/myNewFile.txt touch: cannot touch '/mnt/myNewFile.txt': Permission denied
[analyst@secOps ~]$ ls -l /mnt total 4 drwxr-xr-x 2 root root 4096 Mar 3 11:13 second_drive
[analyst@secOps ~]$ ls -ld /mnt drwxr-xr-x 3 root root 4096 Mar 3 15:43 /mntd. The chmod command is used to change the permissions of a file or directory. As before, mount the /dev/sdb1 partition on the /home/analyst/second_drive directory created earlier in this lab:
[analyst@secOps scripts]$ sudo mount /dev/sdb1 ~/second_drive/e. Change to the second_drive directory and list the contents of it:
[analyst@secOps scripts]$ cd ~/second_drive [analyst@secOps second_drive]$ ls -l total 20 drwx------ 2 root root 16384 Mar 3 10:59 lost+found -rw-r--r-- 1 root root 183 Mar 3 15:42 myFile.txtf. Use the chmod command to change the permissions of myFile.txt.
[analyst@secOps second_drive]$ sudo chmod 665 myFile.txt [analyst@secOps second_drive]$ ls -l total 20 drwx------ 2 root root 16384 Mar 3 10:59 lost+found -rw-rw-r-x 1 root root 183 Mar 3 15:42 myFile.txtThe chmod command takes permissions in the octal format. In that way, a breakdown of the 665 is as follows: 6 in octal is 110 in binary. Assuming each position of the permissions of a file can be 1 or 0, 110 means rw- (read=1, write=1 and execute=0). Therefore, the chmod 665 myFile.txt command changes the permissions to: Owner: rw- (6 or 110 in octal) Group: rw- (6 or 110 in octal) Other: r-x (5 or 101 in octal)
Critical Thinking QuestionsCase 2-1Tom is a golf pro, and he is using Outlook to manage his schedule. Some of his customers pay him for a single lesson, while others set up regular weekly lessons. In addition, Tom is coordinating the annual two-day tournament at his local golf course. Tom wants to show his time as busy during the annual two-day tournament. Does he need to change the appointment status for the tournament's calendar item, or can he use the default status? a. Yes, he must change it from Out of Office to Busy.b. Yes, he must change it from Tentative to Busy.c. Yes, he must change it from Free to Busy.d. No, the default status for this type of calendar item is Busy.
What will be an ideal response?
Text insets determine how far text is inset into the frame.
Answer the following statement true (T) or false (F)