Scott Mitchell

The rm (remove) command uses a list of arguments that specifies either the absolute or relative path of the files to remove. Use this command with care as you cannot recover a file once it has been removed. Because of this, the base rm command will prompt you before deleting to give you a chance Read More >

Another commonly used linux command is the chown command. ‘chown‘ is short for change owner. It allows users to change the owner and group associated with a file. Command: chown Synopsis: chown [OPTION]… [OWNER][:[GROUP]] FILE… Options: Option Long option name Description -c –changes Operates like verbose (-v) but report only when a change is made. Read More >

The chmod (short for change mode) command allows you to change permissions on files and folders. Command: chmod Synopsis: chmod [OPTION]… [MODE]… FILE… chmod [OPTION]… OCTAL-MODE FILE… Options: Option Long option name Description -c –changes Operates like verbose (-v) but report only when a change is made. -f –silent, -quiet Suppress most error messages. -v Read More >

The mkdir command allows you to create directories that you name. This command can create multiple directories at once or even multiple levels creating the parent directories along the way. Command: mkdir Synopsis: mkdir [OPTION]… [DIR]… Options: Option Long option name Description -m –mode=MODE Set permission mode (as in chmod), not rwxrwxrwx – umask. -p Read More >

The more command is used to display a small portion of a file at a time. If you wish to see the next entire page, simply press the spacebar. Pressing the enter key will simply display the next line of the file. This allows you to browse a file as you desire. It also takes Read More >

Much like the head command, the tail command comes in handy when working with larger files. Instead of pulling the first 10 lines of a file, tail pulls the last 10 lines of a file when using the base command. It also takes numeric options to allow you to tailor the number of lines displayed. Read More >

If you are working with large files and want to see the first few lines of it, you can use the head command. The base command will display the first ten lines of the file. The command can also take numeric options to adjust the numberof lines displayed. Command: head Synopsis: head [OPTION] [FILE] Note Read More >

When navigating through your server you may want to change to other directories. The cd command is the bash command to allow you to move to other folders within your account. Command: cd Synopsis: cd [dir] Options: Option Long name Description -P This forces the command to use the physical directory structure and does not Read More >

The history command is used to display the list of previously typed commands. While the base command will list all previous commands used since the last clearing, it can also be tailored to display by the page or a certain number of commands. Command: history Synopsis: history [option] Options: Option Description -c Clears the history Read More >

The tac command is much like its brother, the cat command. It also concatenates and prints a file to the screen. However, the tac command does this in reverse. This can be especially useful if you are looking for information that should be at the end of a long log file. For instance, if you Read More >

When using SSH to work on your site, you will often use the cat command. It is used to display file content on the screen. It is one of the most commonly used Linux commands to assist in troubleshooting. Command: cat Synopsis: cat [OPTION] [FILE]… Options: Below are the different options that are available to Read More >

The pwd command allows the user to view their current location in the directory structure. Command: pwd Synopsis: pwd [OPTION]… Options: These are the few options available for the pwd command. Option Long Name Description -L –logical use PWD from environment, even if it contains symlinks -P –physical avoid all symlinks If both -L and Read More >