010-160: LPI Linux Essentials questions with answers
whereis - ** VERIFIED ANSWERS **✔✔used to search for programs in restricted
locations, such as binary file directories, libraries, and man directories.
locate - ** VERIFIED ANSWERS **✔✔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 - ** VERIFIED ANSWERS **✔✔Updates the system managed database of
filenames
Displays current working directory - ** VERIFIED ANSWERS **✔✔pwd
Change into the current user's home directory - ** VERIFIED ANSWERS **✔✔cd ~
cd $HOME
Both of these do what
Change to the parent directory of the current directory - ** VERIFIED ANSWERS **✔✔cd
..
Change to the etc directory in the root (/) directory - ** VERIFIED ANSWERS **✔✔cd
/etc
Creates a hard link named 'format.txt' for the file 'fmt.txt' - ** VERIFIED ANSWERS
**✔✔ln fmt.txt format.txt
, Creates a symbolic link named sym.txt of fmt.txt - ** VERIFIED ANSWERS **✔✔ln -s
fmt.txt sym.txt
touch - ** VERIFIED ANSWERS **✔✔Can be used to update the timestamp of a file or if
that file doesn't exist it will create a blank file with the specified name.
Will update the timestamp of the specified file if it exists. If it does not exist it will not create
a blank file. - ** VERIFIED ANSWERS **✔✔touch -c file1.txt
Adds the content "Hey there!" to the specified file. - ** VERIFIED ANSWERS **✔✔echo
"Hey there!" > sample.txt
cat filename.txt - ** VERIFIED ANSWERS **✔✔Displays the contents of a file
Opens the vi editor for the file "sample". This will allow you to write text into a file. - **
VERIFIED ANSWERS **✔✔vi sample
Will display the "sample" file's byte count - ** VERIFIED ANSWERS **✔✔wc -c sample
Displays the number of characters in the "sample" file - ** VERIFIED ANSWERS **✔✔wc
-m sample
Display the number of lines in the "sample" file - ** VERIFIED ANSWERS **✔✔wc -l
sample
Display the word count of the "sample" file - ** VERIFIED ANSWERS **✔✔wc -w sample
whereis - ** VERIFIED ANSWERS **✔✔used to search for programs in restricted
locations, such as binary file directories, libraries, and man directories.
locate - ** VERIFIED ANSWERS **✔✔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 - ** VERIFIED ANSWERS **✔✔Updates the system managed database of
filenames
Displays current working directory - ** VERIFIED ANSWERS **✔✔pwd
Change into the current user's home directory - ** VERIFIED ANSWERS **✔✔cd ~
cd $HOME
Both of these do what
Change to the parent directory of the current directory - ** VERIFIED ANSWERS **✔✔cd
..
Change to the etc directory in the root (/) directory - ** VERIFIED ANSWERS **✔✔cd
/etc
Creates a hard link named 'format.txt' for the file 'fmt.txt' - ** VERIFIED ANSWERS
**✔✔ln fmt.txt format.txt
, Creates a symbolic link named sym.txt of fmt.txt - ** VERIFIED ANSWERS **✔✔ln -s
fmt.txt sym.txt
touch - ** VERIFIED ANSWERS **✔✔Can be used to update the timestamp of a file or if
that file doesn't exist it will create a blank file with the specified name.
Will update the timestamp of the specified file if it exists. If it does not exist it will not create
a blank file. - ** VERIFIED ANSWERS **✔✔touch -c file1.txt
Adds the content "Hey there!" to the specified file. - ** VERIFIED ANSWERS **✔✔echo
"Hey there!" > sample.txt
cat filename.txt - ** VERIFIED ANSWERS **✔✔Displays the contents of a file
Opens the vi editor for the file "sample". This will allow you to write text into a file. - **
VERIFIED ANSWERS **✔✔vi sample
Will display the "sample" file's byte count - ** VERIFIED ANSWERS **✔✔wc -c sample
Displays the number of characters in the "sample" file - ** VERIFIED ANSWERS **✔✔wc
-m sample
Display the number of lines in the "sample" file - ** VERIFIED ANSWERS **✔✔wc -l
sample
Display the word count of the "sample" file - ** VERIFIED ANSWERS **✔✔wc -w sample