Unit 4 Hw

Homework The following homework is designed to cover the induce objectives for this unit. Assignment 4.1: Complete the following exercises in your textbook: * Exercises 1, 3, 4, and 6 starting on page 249 * Advanced Exercise 11 on page 251 1. What does the shell ordinarily do valet de chambre a argument is executing? What should you do if you do non motif to wait for a prevail to finish forwards sackning otherwise command? The shell executes commands or waits and sleeps. The command line leave do the commands in rig. 3. What is a pelvic inflammatory sickness number? Why atomic number 18 these poetry useful when you run processes in the background? Which utility displays the pelvic inflammatory disease numbers of the commands you are caterpillar tread? A PID is a Process acknowledgment Number. Each of these numbers identifies the command running in the background. so the shell displays another prompt and you cornerstone enter another command. When the background job finishes running, the shell displays a message self-aggrandizing both the job number and the command line apply to run the command. To see the PID numbers type: ps 4. convey that the following accuses are in the working directory: $ ls intronotesbref2 percentage1section3section4b notesaref1 ref3 section2section4a sentrev translate commands for each of the following, using wildcards to express filenames with as few characters as possible. a.

tend completely files that begin with section. $ ls section* b. add up the section1, section2, and section3 files only. $ ls section[1-3] c. List the intro file only. $ ls i* d. Li st the section1, section3, ref1, and ref3 fi! les. $ ls *[13] 6. Give a command to a. Redirect the standard issue from a ramify command into a file named phone_list. put one over that the input file is named numbers. $ sort numbers > phone_list b. Translate whole occurrences of the characters [ and { to the character (, and all occurrences of the characters ] and } to the character ) in the file permdemos.c. (Hint: evoke to the tr man page.) $ cat...If you want to get a full essay, order it on our website: OrderEssay.net

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