Navigate

Example:
  
   cd /bin
   cd bin   

> cd ~

pwd: Print name of current/working directory.

Example:

> pwd
/home/felix

ls: List directory contents.

   ls [OPTION]... [FILE]..
 
Options:

   -a, --all : do not hide entries starting with.
   -d, --directory : list directory entries instead of contents
   -l : use a long listing format

Examples:

   ls -l 
   ls -a
   ls -al
   ls b* 
   ls .b*
   ls -l -d .b* /*

> ls -l .emacs
-rw-r--r--    1 felix    users        1637 2002-09-16 16:57 .emacs

file: Determine file type.

Example:

> file .emacs
.emacs: Lisp/Scheme program text

stat: Display file or filesystem status.

Example:

> stat .emacs
  File: `.emacs'
  Size: 1637            Blocks: 8          IO Block: 4096   Regular File
Device: 305h/773d       Inode: 23          Links: 1    
Access: (0644/-rw-r--r--)  Uid: (  500/   felix)   Gid: (  100/   users)
Access: 2002-10-20 09:54:34.00 ( atime : access )
Modify: 2002-09-16 16:57:03.00 ( mtime : modify )
Change: 2002-09-16 16:57:03.00 ( ctime : change permissions )