(Solved) : 1 Investigate Use Various Unix Commands Following Commands Explain Full Meaning Command En Q30234374 . . . .

1.      Investigate the use of various UNIX commands. What do each of thefollowing commands do? (Explain the full meaning of each command inEnglish; don’t supply the computer output of the command when youtry it out.) Assume that names like file1 andfile2 refer to files, and thatDir1 refers to a directory.

a.          cd..

b.          lsDir1               

c.         cat ~/file1

d.         cat file1 >> file2

e.          rmDir1/file1

f.          cp file1 File1

g.          mvfile1 File1

h.          mvfile1 Dir1

2.      Investigate the history command in csh.

a.          Explainwhat each of the following three commands would do:

!45

!hi

!!

b.          Whatcommand must you type to list the last