Top 20 Linux Commands with Definitions, descriptions and Examples
Top 20 linux commands with Examples these commands cover a range of basic operations and are essential for beginners to use the linux command line interface.
Here are some of the top 20 Linux commands, along with their definitions, descriptions, and examples:
ls command in linux:
Definition: Lists directory contents.
Description: The ls command is used to display a list of files and directories in the current directory.
Example:
$ ls
Desktop Documents Downloads Music Pictures Videos
cd command in linux:
Definition: Change directory.
Description: The cd command is used to change the current working directory to another directory.
Example:
$ cd Documents
pwd command in linux:
Definition: Print working directory.
Description: The pwd command prints the path of the current working directory.
Example:
$ pwd
/home/user/Documents
mkdir command in linux:
Definition: Make directory.
Description: The mkdir command creates a new directory.
Example:
$ mkdir new_directory
rm command in linux:
Definition: Remove files or directories.
Description: The rm command is used to remove files or directories.
Example:
$ rm file.sql
cp command in linux:
Definition: Copy files or directories.
Description: The cp command copies files or directories from one location to another.
Example:
$ cp file.sql /path/to/destination
mv command in linux:
Definition: Move or rename files or directories.
Description: The mv command moves files or directories to a new location or renames them.
Example:
$ mv file.sql /path/to/destination
touch command in linux:
Definition: Create an empty file.
Description: The touch command creates a new empty file or updates the access and modification times of an existing file.
Example:
$ touch new_file.sql
cat command in linux:
Definition: Concatenate and display files.
Description: The cat command is used to display the contents of one or more files.
Example:
$ cat file.sql
grep command in linux:
Definition: Search for patterns in files.
Description: The grep command searches for lines matching a specified pattern in one or more files.
Example:
$ grep “pattern” file.sql
head command in linux:
Definition: Display the beginning of a file.
Description: The head command displays the first few lines of a file.
Example:
$ head file.sql
tail command in linux:
Definition: Display the end of a file.
Description: The tail command displays the last few lines of a file.
Example:
$ tail file.sql
chmod command in linux:
Definition: Change file permissions.
Description: The chmod command changes the permissions of a file or directory.
Example:
$ chmod 755 file.sql
chown command in linux:
Definition: Change file ownership.
Description: The chown command changes the owner and group of a file or directory.
Example:
$ chown user:group file.sql
sudo command in linux:
Definition: Execute a command as the superuser.
Description: The sudo command executes a command with superuser (root) privileges.
Example:
$ sudo apt-get install package
su command in linux:
Definition: Switch user or become superuser.
Description: The su command switches to another user account or becomes the superuser.
Example:
$ su username
apt-get command in linux:
Definition: Package handling utility for Debian-based systems.
Description: The apt-get command is used to install, remove, and manage software packages on Debian-based systems.
Example:
$ sudo apt-get install package
yum command in linux:
Definition: Package handling utility for RPM-based systems.
Description: The yum command is used to install, remove, and manage software packages on RPM-based systems.
Example:
$ sudo yum install package
tar command in linux:
Definition: Manipulate archive files.
Description: The tar command is used to create, view, extract, and manipulate tar archives.
Example:
$ tar -cvf archive.tar files
grep command in linux:
Definition: Search for patterns in files.
Description: The grep command searches for lines matching a specified pattern in one or more files.
Example:
$ grep “pattern” file.sql
These commands cover a range of basic operations and are essential for beginners learning to use the Linux command line interface.
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