4
Editing a command line
To edit a command line, use the keys listed in Table 1 or the hotkeys listed in Table 2. When you are
finished, you can press Enter to execute the command.
A command line can have up to 512 characters, including keywords, arguments, spaces, and special
characters.
Table 1 Command line editing keys
Ke
s Function
Common keys
If the edit buffer is not full, pressing a common key inserts a character at the
cursor and moves the cursor to the right. The edit buffer can store up to 511
characters. Unless the buffer is full, all common characters that you enter
before pressing Enter are saved in the edit buffer.
Backspace
Deletes the character to the left of the cursor and moves the cursor back one
character.
Left arrow key (
←
) Moves the cursor one character to the left.
Right arrow key (
→
) Moves the cursor one character to the right.
Up arrow key (
↑
) Gets the previous history command.
Down arrow key (
↓
) Gets the next history command.
Tab
If you press Tab after entering part of a keyword, the system automatically
completes the keyword:
• If a unique match is found, the system displays the complete keyword.
• If there is more than one match, press Tab multiple times to pick the
keyword you want to enter.
• If there is no match, the system does not modify what you entered but
displays it again in the next line.
Entering a text or string type value for an argument
A text type argument value can contain printable characters other than the question mark (?).
A string type argument value can contain any printable characters except for the following characters:
• Question mark (?).
• Quotation mark (").
• Backward slash (\).
• Space.
A specific argument might have more requirements. For more information, see the relevant command
reference.
To enter a printable character, you can enter the character or its ASCII code (in the range of 32 to 126).
Abbreviating commands
You can enter a command line quickly by entering incomplete keywords that uniquely identify the
complete command. In user view, for example, commands starting with an s include startup
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