I need help with this using the ubuntu terminal 1. Wildcards and Expansion. What
ID: 670350 • Letter: I
Question
I need help with this using the ubuntu terminal
1. Wildcards and Expansion. What command is to do the following?
b. List all files beginning with either a x , a y , or a z ?
c. Copy /etc/passwd and /etc/group into your current directory given that you can only type /etc once?
d. Rename a app.conf file to app.conf.bak using brace expansion?
e. Copy /var/log/syslog file into your Project directory in your home directory using tilde expansion?
f. Copy /var/log/apt directory into your Downloads directory in your home directory
using parameter expansion?
g. Create the following directory tree in your home directory?
Pictures/
2012/
spring/
summer/
fall/
winter/
2013/
spring/
summer/
fall/
winter/
2014/
spring/
summer/
fall/
winter/
2015/
spring/
summer/
fall/
winter/
h. Create the SxxEyy empty files, where xx is from 01 to 10 and yy is from 01 to 24?
Note that there is padding 0 for onedigit
number.
i. Remove all the files and directories, which name(s) starts with hist , follows by exact 4 characters and ends with either log or dat , ignoring nonexisting error?
j. Assign the number of the word “ the
Explanation / Answer
1.
(b)
ls ax* ay*
(c)
cp /etc/{passwd,group} .
(d)
mv app.conf{,.bak}
(e)
cp /var/log/syslog ~/Project