Cyclades PC400 - Manual (Page 35)

Cyclades-PC400
35
Appendix A - Linux
Installation Manual
Other commands allow the user to change directories and see the contents of a directory.
pwd Supplies the name of the current directory. While logged in, the user is always
"in" a directory. The default initial directory is the user's home directory,
/home/
ls [options] directory_name Lists the files and directories within directory_name . Some useful options are -l
for more detailed output and -a which shows hidden system files.
cd directory_name Changes the directory to the one specified
cat file_name Prints the contents of file_name to the screen.
Shortcuts:
. (a dot) represents the current directory
.. (two dots) represents one directory above the current directory (i.e. one directory closer to the base
directory).
The vi Editor
To edit a file using the vi editor, type
vi file_name
vi is a three-state line editor: it has a command mode, a line mode and an editing mode. If in doubt as to which
mode you are in, press the key which will bring you to the command mode.
Mode What is done there How to Get There
command mode navigation within the open file Press the key.
editing mode text editing See list of editing commands below.
line mode file saving, opening, etc. exiting
from vi From the command mode, type ":" (the
colon).
Entering the program, the user is automatically in the command mode. To navigate to the part of the file to be