...........................................................................60
Common Shell Environment Variables ............................................................60
Setting Your Own Environment Variables ........................................................62
Managing Background and Foreground Processes......................................................63
Starting Background Processes ........................................................................64
Using Foreground and Background Commands ..............................................64
Working with the Linux File System ..........................................................................65
Creating Files and Directories ....................................................................................68
Using Metacharacters and Operators................................................................69
Using File-Matching Metacharacters ................................................................70
Using File-Redirection Metacharacters ............................................................71
Understanding File Permissions ......................................................................71
Moving, Copying, and Deleting Files .........................
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