YouTipLinux Comm Efax
# Linux efax Command
[ Linux Command Manual](#)
The Linux efax command is used to send and receive faxes.
It supports sending and receiving faxes using Class 1 and Class 2 modems.
### Syntax
efax [-f]
**Parameter Description**:
* -a Answer the phone using the specified AT command.
* -c Set the properties of the local modem.
* -d Specify the modem driver.
* -f Use the specified font file to create the fax header.
* -g If the incoming call is data, execute the specified command.
* -h Specify the string to be used as the header at the top of each page.
* -i Send the AT command to the modem before it enters fax mode.
* -j Send the AT command to the modem after it enters fax mode.
* -k Send the AT command to the modem before it leaves fax mode.
* -l Set the identification code of the local modem.
* -o Set relevant options when using a non-standard modem.
* -q When receiving a fax, if the number of errors per page exceeds the specified number, request the sender to resend.
* -r When receiving a fax, save each page as a separate file.
* -v Select the type of information to be printed.
* -w Do not answer the phone, wait for an OK or CONNECT signal.
* -x Use a UUCP format lock file to lock the modem.
* -t Dial the number in and fax the .
[ Linux Command Manual](#)