Whether you’re studying for your next certification or an experienced IT professional, learning a handful of Linux commands is a great way to enhance your skillset. The CompTIA A+ certification covers 19 Linux commands that are the perfect place to start. These videos can help you get started!!
In order to discover where you are currently located within the filesystem, the pwd command can be used.
To navigate the filesystem structure, use the cd (change directory) command to change directories.
The ls command is used to list the contents of a directory.
The su command allows you to temporarily act as a different user.
The sudo command allows a user to execute a command as another user.
The chmod command is used to change the permissions of a file or directory.
To change the ownership of a file use the chown command.
The mv command is used to move a file from one location in the filesystem to another.
The cp command is used to copy files.
The dd command is a utility for copying files or entire partitions at the bit level.
The rm command is used to delete files and directories.
The grep command is a text filter that will search input and return lines, which contain a match to a given pattern.
The shutdown command arranges for the system to be brought down in a safe way.
The ifconfig command stands for “interface configuration” and is used to display network configuration information.
Running a command results in something called a process. The ps command can be used to list processes.
Package management is a system by which software can be installed, updated, queried or removed from a filesystem. The Advanced Package Tool, apt-get , makes management of packages easy.
The passwd command is used to update a user’s password. Change the password of the current user.
The vi command is used to edit text files.