Question No. 1: Briefly explain the usage of following UNIX commands, also include the screen shot of each command after implementing. date rmdir. cp.
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Question No. 1: Briefly explain the usage of following UNIX commands, also include the screen shot of each command after implementing.
- date
- rmdir.
- cp.
- rm.
- mv.
- grep
- gzip <file>
- cal <mo><year>
- echo<sentences>
- wc
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- FOR UNIX, please give a description of these commands 17 cpio 18 crontab 19 date 20 dbx 21 delta 22 deroff 23 df 24 diff 25 du 26 echo 27 expr 28 fg 29 file 30 find 31 finger 32 fsck 33 ftp 34 get 35 getty 36 grep 37 head 38 hostname 39 init 40 kill 41 learn 42 lex 43 ln 44 lp 45 lpq 46 lpr 47 ls List the files and subdirectories in a directory. 48 mail 49 mailx 50 make 51 man 52 mesg 53 mkdir Makes a directory. 54…Provide an example of two daemon processes found on Linux systems. What type of service does the /etc/fstab file provide? When is the /etc/fstab implemented? Write the command line to access the online information for the cp command and list the type of information found about the command.1. Explain the following unexpected result:$ whereis datedate: /bin/date ...$ echo $PATH.:/usr/local/bin:/usr/bin:/bin$ cat > dateecho "This is my own version of date."$ ./dateSunday April 14 10:00:49 PDT 2020 2. What are two ways you can execute a shell script when you do not have executepermission for the file containing the script? Can you execute a shellscript if you do not have read permission for the file containing the script? 3. What is the purpose of the PATH variable?a. Set the PATH variable so that it causes the shell to search the followingdirectories in order:• /usr/local/bin• /usr/bin• /bin• /usr/kerberos/bin• The bin directory in your home directory• The working directoryb. If there is a file named doit in /usr/bin and another file with the samename in your ~/bin directory, which one will be executed? (Assume thatyou have execute permission for both files.)c. If your PATH variable is not set to search the working directory, howcan you execute a program located…
- Consider the following transcript of a sequence of commands issued at the terminal. What command was most likely used in the blank? [eramian@tux7 ~]$ lshelloworld.txt[eramian@tux7 ~] __________ helloworld.txtHello World!I am a file that has words in it.I also have multiple lines of words.Question 1 a) Explain the difference between ls -l > mylisting.txt and ls -l >> mylisting.txt b) Create a shell script that lists all the files in the present working directory in long format name this file listMyFiles.sh. Write a c program that uses the system () function and uses it to run listMyFiles.sh c) Create a daemon in C in the Unix environment, your daemon must create a text file called aitDaemonLog.txt and populate it with 1000 lines of a string each line must be written after 10 seconds, the string must end with the count of the string;unix Which command will change working directory from /usr/users/joe to /usr Group of answer choices cd /usr cd ../.. cd ./../.. All of the above What is the effect of rm command? Group of answer choices Remove all files in the specified pathname. Remove all directories and files in the specified pathname Delete all files specified in the pathname with appropriate permission Invalid UNIX command
- 1. Is each of the following an absolute pathname, a relative pathname, or a simple filename? a. milk_co b. correspond/business/milk_co c. /home/max d. /home/max/literature/promo e. .. f. letter.0210 2. List the commands you can use to perform these operations: a. Make your home directory the working directory b. Identify the working directory 3. If the working directory is /home/max with a subdirectory named literature, give three sets of commands you can use to create a subdirectory named classics under literature. Also give several sets of commands you can use to remove the classics directory and its contents. 4. You should have read permission for the /etc/passwd file. To answer the following questions, use cat or less to display /etc/passwd. Look at the fields of information in /etc/passwd for the users on the local system. a. Which character is used to separate fields in /etc/passwd? b. How many fields are used to describe each user? c. How many users…1 line linux command to Add an entry in /etc/syslog.conf to forward all messages of severity "errors" and above from authorisation to edu.sg.A. COPE is a more relaxed version of BYOD where employees can choose from a list of company-approved devices. True False B. A router crushing can be classified as an event True False C. In Linux file systems, a useful tool is the archive bit in each file’s property. True False
- Write a complete one-line Linux command to list only those files in the current working directory whose names satisfy the following pattern: The first letter must be m The second letter must be either y or t or u or p The third letter must be a digit between 3 and 8 the last three characters must be .shFOR UNIX, please give a description of these commands UNIX Command Description admin at awk bg cal calendar cat cc cd change working directory to the specified directory chgrp chmod chown chsh comm compressThe ps command's -e option is required to examine daemon processes, which are not associated with terminals. Is this a true or false statement?