Edit Session Customization Commands
The vi editor includes options for customizing your edit sessions.
These are summarized in Figure
and include displaying line numbers and displaying invisible
characters such as tab and end-of-line characters. The set
command is used from last-line mode to control these options. These
options can also be placed in a file the user creates in their home
directory called .exrc. The set options are placed in this file,
without the preceding colon, one command to a line. Once the .exrc
file exists, it is read by the system each time a vi session is
opened. The set nu
option shows line numbers and is used frequently when writing programs
and script files. The line numbers are not part of the file.
Advanced Editing and Searching
The commands in Figure
allow you to perform advanced editing such as finding lines or
conducting search and replace functions. Note that the forward
slash (/) and the question mark (?) search options are also
last-line commands, but they do not require a colon first. The next
(n) and next previous (N) commands can be used to find the
next occurrence after the /string or ?string commands
found what you were looking for.
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Lab
Activity
(Adobe
Acrobat Reader, 65 kB) |
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Using
the vi Editor In
this lab, you will use a UNIX text editing tool:
the vi (pronounced "vee eye") editor.
This text editor is primarily used for creating
and modifying files that customize your work
environment and for writing script files to
automate tasks. |
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