- []
Brackets or square brackets, used in various commands and scripts.
- {}
Braces or curly braces, used in various commands and scripts.
- $HOME
Shell environment variable that points to your logon home directory.
- $PATH
The shell environment variable that contains a set of directories to be searched for UNIX commands.
- .bmp
Bitmap graphics file.
- .bz2
File compressed using the bzip2 utility, which usually offers better compression than gzip.
- .c
C source file.
- .gif
GIF graphics file.
- .gz
File compressed using the GNU gzip utility, which usually offers better compression than the compress command.
- .h
C header file.
- .htm
HTML document.
- .html
HTML document.
- .o
Compiled object file.
- .ps
PostScript file.
- .tgz
Gzipped tar file.
- .tif
TIFF graphics ...
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