10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Help understand awk command
This command converts the column values to rows.
Command:
awk -s1=" " '{S=S?S OFS s1 $0 s1:s1 $0 s1} END{print S}' OFS=, Input_file
Example:
1
2
3
is converted to:
1, 2, 3
Can anyone please help me understand this command?
Please use code tags when... (1 Reply)
Discussion started by: mohan44
1 Replies
2. Shell Programming and Scripting
Hi Gurus,
I am new for Unix scripting. below command in one existing script. I am not able to fully understand. please help
in below command, I am not able to understand what's {P=1} do
thanks in advance
awk 'NF==1{$3=$1;$1=L}P&&NF>=3{print $1,$3;L=$1}/^___/{P=1}' FILE (3 Replies)
Discussion started by: green_k
3 Replies
3. Red Hat
hi guys,
booting centos7 and use systemd execute system command ulimit -SHn 202400 is fail.i dont know what's reason.can you give me help.
------------------------------------------
set-ulimit.service
Description=test service
After=systemd-update-utmp-runlevel.service #the last... (1 Reply)
Discussion started by: shean
1 Replies
4. Shell Programming and Scripting
Hi
i am in learning phase of unix.
i was going through exec in a unix book. below is the command
exec n>file
exec n>>file
however when i used the exec command like below , where ex is the file name
exec 2>>exand then do ls -lrt then again when i do the ls -lrt to see the size of the file... (3 Replies)
Discussion started by: scriptor
3 Replies
5. UNIX for Dummies Questions & Answers
I have taken putty session of a server from two separate machines namely HOST1(3 sessions) and HOST2(1 Session) .
However w command says there are 5 users
Confused over the output any clue will be appreciated.
# w
09:29:36 up 34 days, 15:48, 5 users, load average: 0.62, 4.33, 8.16
USER ... (3 Replies)
Discussion started by: pinga123
3 Replies
6. Shell Programming and Scripting
root@desktop:~# last reboot | head -1
reboot system boot 2.6.31-17-generi Tue Jan 26 12:05 - 13:52 (01:46)
What does the last two fields(12:05 - 13:52 (01:46)) of the output mean? (2 Replies)
Discussion started by: proactiveaditya
2 Replies
7. Shell Programming and Scripting
Hello,
can someone please explain me what the following commands do.. i know the output but i would like to understand the break down of what they do step by step.
1) sed -n "/ $(date +\%R -d "-1 min")/,$"p req.txt| wc -l
2)
awk '/19:00/,/22:00/' app.log |grep "mytesturl"|grep... (2 Replies)
Discussion started by: niks
2 Replies
8. HP-UX
Hi,
I am trying to find the max memory utilization of a binary file using chatr command.
i gave chatr <file name>. But no where i could see the max memory usage of the file. How do you i check the memory usage of this binary file.
Upto my knowledge it should be 1.75GB in HP-UX. But the does... (1 Reply)
Discussion started by: kprasanna_79
1 Replies
9. UNIX for Dummies Questions & Answers
Hi. Im working in AIX. Oracle 9.2.
In one of the backup scripts, I see this:
sysback -f'/dev/rmt0' '-T chrp' '-k mp' -w '/tmpback' 'oradata_vg oraindx_vg ora misc_vg'
The line here, as I know, specifies the device name, the temp file, and the volume groups.
My query regards theses two: '-T... (2 Replies)
Discussion started by: Incremental
2 Replies
10. UNIX for Dummies Questions & Answers
HI Experts,
Can anyone pls help me to understand this..
>sar
20:05:00 1 2 1 96
20:10:00 2 2 10 87
20:15:00 1 2 19 78
20:20:00 1 2 14 83
20:25:00 1 2 16 81
20:30:00 1 ... (1 Reply)
Discussion started by: shaan_dmp
1 Replies