LABORATORY FORTIFIED BLANK (LFB) - An aliquot of reagent water or other blank matrix to which known quantities of the method analytes and all the preservation compounds are added.
add a comment |. up vote 2 down vote. 1  Go to the command line and get into the directory you want to move it to with cd folderNamehere. 2  Type pwd. 3  This will print the directory you want to move it too.4  Then change to the directory where all of the files are with cd folderNamehere.dd a comment |. up vote 2 down vote. 1  Go to the command line and get into the directory you want to move it to with cd folderNamehere. 2  Type pwd. 3  This will print the directory you want to move it too.
cd ~. The cd command is used to change the current directory (i.e., the directory in which the user is currently working) in Linux and other Unix-like operating systems.It is similar to the CD and CHDIR commands in MS-DOS.cd [option] [directory].he cd Command. The cd command is used to change the current directory (i.e., the directory in which the user is currently working) in Linux and other Unix-like operating systems.