Assume the /home/zach/grants/biblios and /home/zach/biblios directories exist. Specify Zach’s working directory after he executes each sequence of commands. Explain what happens in each case.
a. $ pwd
/home/zach/grants
$ CDPATH=$(pwd)
$ cd
$ cd biblios
b. $ pwd
/home/zach/grants
$ CDPATH=$(pwd)
$ cd $HOME/biblios
a. The read builtin accepts text until you press RETURN, which is appropriate
for accepting input when the user enters a name. The cat utility accepts
input until you press CONTROL-D at the beginning of a line, which is appro-
priate for accepting several lines of input.
b. After executing the preceding commands, Zach’s working directory is
/home/zach/grants/biblios. When CDPATH is set and the working direc-
tory is not specified in CDPATH, cd searches the working directory only
after it searches the directories specified by CDPATH.
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