010-160: LPI Linux Essentials Questions and Answers Latest Update 100% Correct.
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010-160: LPI Linux Essentials
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010-160: LPI Linux Essentials
List the files in the var/cache directory owned by the root user (limit the search to two
levels) - ️️find /var/cache -maxdepth 2 -user root
find /var/cache -maxdepth 2 -uid 0
locate - ️️Searches the system managed database of filenames for files containing
the specified string in the f...
010-160: LPI Linux Essentials
List the files in the var/cache directory owned by the root user (limit the search to two
levels) - ✔️✔️find /var/cache -maxdepth 2 -user root
find /var/cache -maxdepth 2 -uid 0
locate - ✔️✔️Searches the system managed database of filenames for files containing
the specified string in the filenames. (Search is much faster than the search performed
using the 'find' command)
updatedb - ✔️✔️Updates the system managed database of filenames
Displays current working directory - ✔️✔️pwd
Change into the current user's home directory - ✔️✔️cd ~
cd $HOME
Both of these do what
Change to the parent directory of the current directory - ✔️✔️cd ..
Change to the etc directory in the root (/) directory - ✔️✔️cd /etc
Creates a hard link named 'format.txt' for the file 'fmt.txt' - ✔️✔️ln fmt.txt format.txt
Creates a symbolic link named sym.txt of fmt.txt - ✔️✔️ln -s fmt.txt sym.tx
Will update the timestamp of the specified file if it exists. If it does not exist it will not
create a blank file. - ✔️✔️touch -c file1.txt
Adds the content "Hey there!" to the specified file. - ✔️✔️echo "Hey there!" >
sample.txt
cat filename.txt - ✔️✔️Displays the contents of a file
Opens the vi editor for the file "sample". This will allow you to write text into a file. -
✔️✔️vi sample
Will display the "sample" file's byte count - ✔️✔️wc -c sample
, Displays the number of characters in the "sample" file - ✔️✔️wc -m sample
Display the number of lines in the "sample" file - ✔️✔️wc -l sample
whereis - ✔️✔️used to search for programs in restricted locations, such as binary file
directories, libraries, and man directories.
Display the word count of the "sample" file - ✔️✔️wc -w sample
Extracts the first field of the "/etc/passwd" file - ✔️✔️cut -f 1 /etc/passwd
Extract the first three characters from the "/etc/passwd" file - ✔️✔️cut -c 1, 2, 3
/etc/passwd
Extracts the third field from the "/etc/shadow" file and uses the : seperator. Since
"/etc/shadow" is a : (colon) seperated file, this command will display only the content of
the third field in the file. - ✔️✔️cut -d ":" -f 3 /etc/shadow
Search for all the rows containing the string "/home" in the "/etc/passwd" file -
✔️✔️grep /home /etc/passwd
Display the number of lines containing the string "/bin" in the "/etc/passwd" file -
✔️✔️grep -c /bin /etc/passwd
Display the details of the root user from the /etc/shadow file - ✔️✔️grep root
/etc/shadow
Search the /etc directory recursively for the string "wlan" - ✔️✔️grep -r wlan /etc
Find all the files in the /etc directory having names that start with pass - ✔️✔️find /etc -
name pass*
List the files in the /etc directory with extensions conf (limit the search to one level) -
✔️✔️find /etc -maxdepth 1 -name *.conf
List all the files on system with the permission set 640 (limit the search to two levels) -
✔️✔️find / -maxdepth 2 -perm 640
List all the files in the /root directory that belong to the root group (do not use shorthand
for specifying the directory) - ✔️✔️find /root -group root
find /root -gid 0
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