Summary

 To see what directory you are in    pwd (print working directory)
 To change directories               cd pathname 
 To go to your home directory        cd 
                                     cd $HOME 
 To list files                       ls 
 To list files in columns            lc 
 To list files and show type         lf 
 To list all files, even hidden      ls -a 
 ones
 To make a long listing of all       l m∗ or ls -l m∗ 
 files beginning with ``m''

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 For more information about          See
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 pwd, cd, and the ls family of       pwd(C) cd(C) and ls(C) 
 commands