Hi,
I am newbie in unix and just started learning it. I want to know what is the difference between an executable file and a file (say text file). How to create executable file? What is the extension for that? How to differentiate ? How does it get executed?
Thanks (1 Reply)
Hi, Im trying to take a database backup. one of the files is 26 GB. I am using cp -pr to create a backup copy of the database. after the copying is complete, if i do du -hrs on the folders i saw a difference of 2GB.
The weird fact is that the BACKUP folder was 2 GB more than the original one!
... (1 Reply)
Hi
I have two files in unix. I need to compare two files and print the differed lines in other file
Eg
file1
1111
2222
3333
file2
1111
2222
3333
4444
5555
newfile
4444
5555
Thanks In advance (3 Replies)
I am trying to find the difference in days between 2 dates.
I have to extract the 1st date from a filename, which i did using the awk command.
I have to compare this date to today's date and if the difference is greater than 30 days, do something, else do something else.
This is what i wrote... (22 Replies)
I m stuck with a issue.
I need to calculate the time difference between two files.. one on the local machine and one on the remote machine using a script.
Can any one suggest the way this can be achevied
Thanks,
manohar (1 Reply)
I have a very large system generated file containing around 500K rows size 100MB like following
HOME|ALICE STREET|3||NEW LISTING
HOME|NEWPORT STREET|1||NEW LISTING
HOME|KING STREET|5||NEW LISTING
HOME|WINSOME AVENUE|4||MODIFICATION
CAR|TOYOTA|4||NEW LISTING
CAR|FORD|4||NEW... (9 Replies)
Hi,
I am trying to find out whether there are any Unix utilities that compares folders, files and contents within the file and provides a comprehensive report. The comparison can be against base version of a folder and file with content. Can you please let me know of such a utility?
Thanks,... (6 Replies)
In the awk I am trying to subtract the difference $3-$2 of each matching $4 before the first _ (underscore) and print that value in $13.
I think the awk will do that, but added comments. What I am not sure off is how to add a line or lines that will add sum each matching $13 value and put it in... (2 Replies)
Hi All,
I want to find difference between two files and output only lines which are not present in second file .I am using awk and I am getting only the first difference but I want to get all the lines which are not present in file2 .Below is the code I am using . Please help to get the desired... (7 Replies)
Discussion started by: srinivasrao
7 Replies
LEARN ABOUT XFREE86
netrom
NETROM(4) Linux Programmer's Manual NETROM(4)NAME
AF_NETROM - NET/ROM amateur packet radio protocol family
DESCRIPTION
NET/ROM is a protocol used extensively by radio amateurs. The Linux NET/ROM protocol family permits access to these protocols via the stan-
dard networking socket metaphor.
The NET/ROM protocol layer only supports connected mode. IP traffic may be stacked on top of NET/ROM frames using a non-standard extension
to the NET/ROM protocol.
The only mode of operation is connected mode which is the mode used for a socket of type SOCK_SEQPACKET (stream sockets are not available
in NET/ROM). This requires that the user ensures output data is suitably packetised, and that input data is read a packet at a time into a
buffer of suitable size.
NET/ROM addresses consist of 6 ascii characters and a number called the SSID. These are encoded into a sockaddr_ax25 structure which is
provided to the relevant system calls.
NET/ROM has some unusual properties. Notably in a multi-user system an AX.25 address is often associated with a user, and some users may
not have such an association. a set of ioctl calls are provided to manage an association table.
NET/ROM supports the following socket options for SOL_NETROM. NETROM_T1 is the T1 timer in 1/10ths of a second, NETROM_T2 is the T2 timer
in 1/10ths of a second. NETROM_N2, the retry counter is also configurable. There is no 'infinite retry' option supported however. It is
possible for an application to request that the NET/ROM layer return the NET/ROM header as well as the application data, this is done via
the NETROM_HDRINCL socket option.
SEE ALSO call(1), socket(2), setsockopt(2), getsockopt(2), nrbroadcast(5), nrports(5), netromd(8), noderest(8), nodesave(8), nrparms(8).
AUTHOR
Jonathan Naylor G4KLX <g4klx@g4klx.demon.co.uk>
Linux 25 July 1996 NETROM(4)