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Q: Which command is used to output only first few lines received from stdin?
A: Answer:
Q: Which command option for uniq is used to remove the duplicate lines?
A: uniq command is used to remove duplicate entries in a file
Q: QUESTION 48 Which of the following umask settings will result in new files receiving the default…
A: Answer (a):- 0177
Q: Which of the following is not a valid format argument for displaying the current time? (refer to the…
A: Valid format argument for displaying current time The TO_CHAR function is used to convert the given…
Q: Which filenames would be a subsequent ls command display?$ lsabc abd abe abf abg abh$ rm abc ab*rm:…
A: To describe which filenames the subsequent ls command display.
Q: Which of the following operations replaces plaintext characters with different ciphertext…
A: 1) Substitution cipher is a method of cryptography which converts standard plaintext into…
Q: Which of the following commands displays user id in its output? A. Is B. help C. date D. Is- command…
A: I have provided the answers in the step 2. As per policy, I can provide answer to first question in…
Q: Which command can be used to alter the primary group associated with a given usertemporarily?a.…
A: “newgrp” command: The command that temporarily changes the primary group to another group is called…
Q: Which of the following sequence of commands are used to create Sub directory- Test inside a new…
A: The directory is a computer logical organisations of the files and other directories and…
Q: Which of the following commands will display all files and directories within the /var/log directory…
A: Answer:-(c) find/var/log-user root
Q: Which of the following is a valid XSLT iteration command? a. otherwise O b. for-each c. choose O d.…
A: Ans: The following that is a valid XSLT iteration command is: b) for - each
Q: Which of the following commands extracts an archive?a. cpio –vocBL /dev/fd0b. cpio –vicdu –I…
A: Command extracting an archive The steps for extracting from an archive are that navigate to the…
Q: Which command generates a complete list of all the files and their permissions in the current…
A: Introduction: The ls command is used to display a directory listing. "ls" alone displays all files…
Q: which of the following ciphers is more secure O a. DES cipher O b. 2DES O C. double Affine cipher O…
A: In cryptography, security is most important things otherwise data will no longer safe.
Q: MS Office that saves the document automatically after certain interval?
A: A feature of MS Word that saves the document automatically after certain interval is available on…
Q: Which field is not included in MPLS header? Label Checksum Exp Time to live
A: MPLS: MPLS stands for Multiprotocol Label Switching. It is a routing method used in…
Q: Which of the following commands creates the vector 113335555? O a. rep(c(1, 3, 5), 3) O b. seq(1, 5,…
A: Defined the given statement
Q: Which of these wildcards matches all files and directories? a ? b ** c * d **/
A: Wildcard ** /**/a.cpp - includes the file named a.cpp located at any directory level. /shalu/**…
Q: Which file holds the methods to be used and the order in which they will be applied forhost name…
A: The /etc/resolve.conf configuration file has information that will allow a computer to convert the…
Q: Which of the following data methods are used to transfer form data: a. GET b. PAST c. SEND d. SAVE
A: Answer:-(b) POST
Q: Which of the following commands creates an archive?a. tar –cvf /dev/st0b. tar –xvf /dev/st0c. tar…
A: In Linux OS , tar command is used to make file archive and extract the archived file. It is an…
Q: Load the diamonds.csv file, and make 80% of the data in the order of the data as the training data.…
A: The code is
Q: Which of the following is the standard extension used for a script file?a. .sptb. .srtc. .scriptd.…
A: Script: A text file carrying “1” or more Structured Query Language (SQL) statements is known as…
Q: Which syntax is used to express a wildcard with a lower bound? O O ? O ? extends type ? super type…
A: Correct Option: (b) ? Explanation: wild card is used represent the generic data types means does not…
Q: Which of the following CLI command can also be used to rename files? a) rm b) mv c) rm -r d) none of…
A: Question. Which of the following CLI command can also be used to rename files? a) rm b) mv c) rm -r…
Q: Which of the follov using the ofstream
A: Explanation: In a default way, the file is opened in ios::out mode if the file object we are using…
Q: Which of the lines of code below will create the following scatter plot, given the pandas dataframe,…
A: Correct Option is C
Q: Which attribute is displayed by the attrib command for a file that is backed up and unchanged? • v •…
A: The main purpose of attrib command is to remove and set the attributes of the file
Q: 13. Which of the following is default permission set for ordinary files? a) rw-rw-rw- b) rwxrwxrwx…
A: 13. Which of the following is default permission set for ordinary files? a) rw-rw-rw- b) rwxrwxrwx…
Q: Which of following is default key size if keysize option is not used while creating the key using…
A: In this answer I will be discussing about the default key size if keysize option is not used while…
Q: Microsoft Access, how to format
A: Microsoft Access is usually used to make the database of students in colleges/school, employees of a…
Q: Which of the following keys is used for verification of a hash value? O a. Private key of the sender…
A: If Sender Encrypts by using the public key then Receiver has to decrypt it by using the public key…
Q: Which cat command is used to create empty files? i. cp ii. cat iii. touch iv. create
A: Question. Which cat command is used to create empty files? i. cp ii. cat iii. touch iv. create
Q: Which of the following input values results in a successful INSERT of O’hara?a. ‘O^ hara’b. ‘O’…
A: Insertion of ‘O’‘hara’ data using “INSERT” statement will produce the result as O’hara. “2” single…
Q: If the value of HLEN is 0111, how many bytes of option are included in the segment ?
A: Solution:
Q: Which command is used to create empty files? a) cp b) cat c) touch d) create
A: Question. Which command is used to create empty files? a) cp b) cat c) touch d) create
Q: 4) For matrix (A) is (4x4) which command used to delete the second row? a) A(:,2)=[] c) A(2,:)=0 d)…
A: As per our guidelines, we are supposed to answer only 1st three parts. Kindly repost the remaining…
Q: What will be the output from following command? map(160, 10, 550, 0, 1023);
A: here in the question i provide my solution in step-2.
Q: oduces an exhaustive list of all the files and their perm
A: Introduction: Below describe the command produces an exhaustive list of all the files and their…
Q: 14. Which of the following is default permission set for directories? a) rw-rw-rw- b) rwxrwxrwx…
A: 14. Which of the following is default permission set for directories? a) rw-rw-rw- b) rwxrwxrwx c)…
Q: which of these is a wildcard character? a ? b ** c * D **/
A: In generic code, the question mark (?), known as the wildcard character, represents an unknown type.
Q: use to change to the /usr directory using a relative pathname?
A: Absolute pathname gives path of the directories from the root to the required file or directory.…
Q: a) Multiple directories can be removed using single rmdir command. true or false? If true, provide…
A: a) Multiple directories can be removed using single rmdir command. true or false? If true, provide…
Q: With a relative pathname, which command might you use to convert to the /usr directory?
A: A simple filename is a type of relative pathname that has no explicit directory component. Of…
Q: Which of the below adds an element to set st1? O st1.join(n) O st1.add(n) O stl.update(n) O…
A: Answer :-- st1.add(n)
Q: Which of the following combination of functions can count the missing data in a Series or Data Frame…
A: isnull().sum() isna().sum()
Q: Which command is used to convert string values to integers?
A: To convert String values into Integer, we can use Integer. valueOf() method which returns instance…
Q: Which command is used to changes your current working directory Dd1 to dir1(Use Relative path)?
A: Given:
Which of these wildcards matches all files and directories?
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- Which command produces an exhaustive list of all the files in the current directory, along with their permissions?What are wildcard characters? When are they used any why are they important? What are the wildcard characters that are used with the LIKE command? Provide one or more examples of each.Which of the following operations replaces plaintext characters with different ciphertext characters? a.Substitution b.Shift operation c.Transposition d.None of the available options is correct
- What command displays a comprehensive list of all files in the current directory, along with their permissions?What command shows all of the files in the current directory, along with their permissions?What command returns a comprehensive list of all the files in your current directory, including their permissions?