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26th July 2012, 07:20 AM
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Registered User
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Posts: 988
 
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Output not too long
Hi,
Whenever the output of a command (in a terminal) is too long and expanding in real time thereby not fitting in one screen one has to press the Space bar to go down one screen, but how do I get one screen back? Yes, with the mouse one can scroll up and down. But there must be a key one has to use to move up and down the screen as well, I guess. Thanks.
PS: By mistake I seem to have given the wrong title to this thread. It should read Output too long. Thanks.
As given below sometimes the output is too long to view in one screenful.
Code:
root 575 0.0 0.1 2708 588 ? Ss 10:20 0:00 /usr/sbin/atd -
avahi 581 0.0 0.0 3300 16 ? S 10:20 0:00 avahi-daemon: c
root 589 0.0 0.1 2548 584 ? Ss 10:20 0:00 /usr/sbin/mcelo
dbus 593 0.0 0.3 11956 1544 ? Ssl 10:20 0:00 /bin/dbus-daemo
root 600 0.0 0.1 5320 708 ? S 10:20 0:00 /bin/bash /usr/
chrony 615 0.0 0.2 3128 1012 ? S 10:20 0:00 /usr/sbin/chron
root 625 0.0 0.1 5536 820 ? Ss 10:20 0:00 /usr/sbin/crond
root 632 0.0 0.1 11500 612 ? S<sl 10:20 0:00 /sbin/audispd
root 637 0.0 0.0 2968 468 ? S< 10:20 0:00 /usr/sbin/sedis
root 662 0.0 0.0 0 0 ? S< 10:20 0:00 [iscsi_eh]
root 665 0.0 0.0 0 0 ? S< 10:20 0:00 [ib_mcast]
root 666 0.0 0.0 0 0 ? S< 10:20 0:00 [ib_cm]
root 667 0.0 0.0 0 0 ? S< 10:20 0:00 [iw_cm_wq]
root 668 0.0 0.0 0 0 ? S< 10:20 0:00 [ib_addr]
root 669 0.0 0.0 0 0 ? S< 10:20 0:00 [rdma_cm]
root 679 0.0 0.0 0 0 ? S< 10:20 0:00 [cnic_wq]
root 680 0.0 0.0 0 0 ? S< 10:20 0:00 [bnx2i_thread/]
root 686 0.0 0.0 6076 252 ? S 10:20 0:00 /usr/lib/udev/u
root 687 0.0 0.0 6076 196 ? S 10:20 0:00 /usr/lib/udev/u
root 690 0.0 0.0 28044 408 ? Ssl 10:20 0:00 iscsiuio
root 696 0.0 0.0 2796 432 ? Ss 10:20 0:00 iscsid
root 699 0.0 0.4 25400 2360 ? Sl 10:20 0:00 /usr/libexec/po
root 703 0.0 0.6 3256 3236 ? S<Ls 10:20 0:00 iscsid
root 707 0.0 0.2 5460 1300 ? S 10:20 0:00 /usr/sbin/modem
root 708 0.0 0.2 4688 1020 ? Ss 10:20 0:00 /usr/sbin/bluet
nobody 761 0.0 0.0 2812 352 ? S 10:20 0:00 /sbin/dnsmasq -
root 824 0.0 0.1 2716 524 ? Ss 10:21 0:00 /sbin/rpcbind -
root 840 0.0 0.0 0 0 ? S< 10:21 0:00 [rpciod]
rpcuser 852 0.0 0.1 2988 692 ? Ss 10:21 0:00 /sbin/rpc.statd
root 965 0.0 0.1 3184 652 ? Ss 10:21 0:00 /usr/libexec/pc
root 1031 0.0 0.2 5744 1256 ? Ss 10:21 0:00 /usr/sbin/lxdm-
root 1037 3.7 1.9 24276 9432 tty1 Rs+ 10:21 3:34 /usr/bin/X -bac
root 1066 0.0 0.2 20984 1096 ? Ssl 10:23 0:00 /usr/sbin/conso
john 1131 0.0 0.2 14164 1068 ? Ssl 10:23 0:00 /usr/bin/lxsess
john 1141 0.0 0.0 3780 204 ? S 10:23 0:00 dbus-launch --s
john 1142 0.0 0.1 12044 704 ? Ssl 10:23 0:00 /bin/dbus-daemo
john 1215 0.0 0.2 29364 1400 ? Sl 10:23 0:00 /usr/libexec/im
john 1218 0.0 0.2 10624 1112 ? S 10:23 0:00 /usr/libexec/gv
john 1296 0.0 0.7 16268 3740 ? S 10:23 0:02 openbox --confi
john 1299 0.1 1.2 100876 5920 ? S 10:23 0:10 lxpanel --profi
john 1300 0.0 0.8 112740 4316 ? S 10:23 0:00 pcmanfm --deskt
john 1301 0.0 0.2 7760 1004 ? S 10:23 0:00 xscreensaver -n
john 1303 0.0 0.5 111356 2684 ? Sl 10:23 0:00 abrt-applet
john 1305 0.0 0.7 40512 3516 ? S 10:23 0:00 /usr/bin/python
john 1308 0.0 0.2 7956 1232 ? S 10:23 0:00 /usr/libexec/me
john 1359 0.0 0.2 32292 1172 ? Sl 10:23 0:00 /usr/libexec/dc
john 1362 0.0 0.2 53720 1472 ? Sl 10:23 0:00 zeitgeist-datah
john 1373 0.0 0.3 41844 1636 ? Sl 10:23 0:00 /usr/bin/zeitge
john 1376 0.0 0.6 207568 3364 ? Sl 10:23 0:00 nm-applet
john 1378 0.0 0.6 261500 3028 ? Sl 10:23 0:00 pnmixer
john 1380 0.0 0.4 20776 2416 ? Sl 10:23 0:00 /usr/libexec/gv
john 1383 0.0 0.5 21876 2772 ? S 10:23 0:00 /usr/bin/seappl
root 1384 0.0 0.4 41712 2320 ? Ssl 10:23 0:02 /usr/lib/udisks
john 1393 0.0 0.2 28604 1376 ? Sl 10:23 0:00 /usr/libexec/ze
root 1407 0.0 0.4 48744 2320 ? Sl 10:23 0:02 /usr/bin/python
john 1409 0.0 0.3 28112 1852 ? Sl 10:23 0:00 /usr/libexec/lx
john 1412 0.0 0.0 4232 348 ? S 10:23 0:00 /bin/cat
john 1415 2.2 0.1 101164 944 ? S<l 10:23 2:04 /usr/bin/pulsea
rtkit 1416 0.0 0.1 21168 752 ? SNsl 10:23 0:00 /usr/libexec/rt
john 1424 0.0 0.2 6984 1124 ? S 10:23 0:00 /usr/libexec/gc
root 1427 0.0 0.1 12784 932 ? Ss 10:23 0:00 /usr/sbin/cupsd
root 1432 0.0 0.1 14848 856 ? S 10:23 0:00 /sbin/dhclient
john 1488 11.4 15.4 570016 75936 ? Sl 10:24 10:27 /usr/lib/firefo
john 1514 0.0 0.2 33884 1092 ? Sl 10:24 0:00 /usr/libexec/at
john 27539 0.4 1.9 114740 9496 ? Sl 11:17 0:09 lxterminal
john 27540 0.0 0.1 2220 636 ? S 11:17 0:00 gnome-pty-helpe
john 27541 0.0 0.5 6504 2680 pts/1 Ss 11:17 0:00 /bin/bash
root 27607 0.0 0.4 7060 2300 pts/1 S 11:17 0:00 su
root 27613 0.0 0.6 6916 3056 pts/1 S 11:17 0:00 bash
root 27693 0.0 0.0 0 0 ? S 11:19 0:00 [kworker/0:0]
root 27701 0.0 0.5 28540 2536 ? Ssl 11:20 0:00 /usr/libexec/up
john 27745 0.3 2.6 72024 13124 ? S 11:20 0:08 /usr/lib/nsplug
root 27796 0.0 0.0 0 0 ? S 11:24 0:00 [kworker/0:1]
root 27829 2.0 15.9 119072 78596 pts/1 S+ 11:28 0:33 /usr/bin/python
john 28233 0.1 0.5 6504 2944 pts/0 Ss 11:53 0:00 /bin/bash
root 28318 0.0 0.0 4212 472 ? S 11:55 0:00 sleep 60
Last edited by tech291083; 26th July 2012 at 07:29 AM.
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26th July 2012, 07:35 AM
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Registered "Cashew" User
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Join Date: May 2010
Location: Adelaide, Australia
Age: 18
Posts: 614
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Re: Output not too long
Have you tried the Shift+PageUp (to go up) and Shift+PageDown (to go down) key combinations?
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Running Mageia 3 (KDE 4.10) on an ASUS K55V (Core i5, 16GB RAM, 750GB HDD, Nvidia 610M)
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26th July 2012, 09:59 AM
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Registered User
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Join Date: Dec 2006
Posts: 1,718
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Re: Output not too long
Which pager are you using?
With less you can use the b key to go backwards one screen or h to display the help screen.
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26th July 2012, 02:07 PM
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Posts: 988
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Re: Output not too long
Quote:
Originally Posted by george_toolan
Which pager are you using?
With less you can use the b key to go backwards one screen or h to display the help screen. |
Thanks a lot. I knew that b key, but forgot that I need to use it with the less flag/parameter/condition. Thanks. I can now scroll one screen down with the spacebar and one screen back with the b key.
---------- Post added at 06:07 AM ---------- Previous post was at 05:59 AM ----------
One more question though, how can I see the entire screen output in a session? With SHIFT+Page Up I can only go back a certain lines. For example this is what I am doing in a terminal as right now. I have cut some lines as this is just an example. But I can't go back to the very first line when I started this terminal session. I hope you got my point. Thanks.
Code:
(29/64): iwl6000-firmware-9.221.4.1-7.fc17.noarch.rpm | 154 kB 00:02
(30/64): iwl6000g2a-firmware-17.168.5.3-7.fc17.noarch.rp | 156 kB 00:02
(31/64): iwl6000g2b-firmware-17.168.5.2-7.fc17.noarch.rp | 297 kB 00:04
(32/64): iwl6050-firmware-41.28.5.1-7.fc17.noarch.rpm | 230 kB 00:03
(33/64): kpartx-0.4.9-26.fc17.i686.rpm | 33 kB 00:00
(45/64): nc-1.109.20120711-1.fc17.i686.rpm | 25 kB 00:00
(46/64): plymouth-system-theme-0.8.5-0.2012.04.27.1.fc17 | 24 kB 00:00
(47/64): policycoreutils-sandbox-2.1.11-18.fc17.i686.rpm | 130 kB 00:01
(48/64): powertop-2.0-3.fc17.i686.rpm | 152 kB 00:02
(56/64): selinux-policy-3.10.0-140.fc17.noarch.rpm | 185 kB 00:02
(57/64): selinux-policy-targeted-3.10.0-140.fc17.noarch. | 3.7 MB 01:02
(58/64): shared-mime-info-1.0-4.fc17.i686.rpm | 351 kB 00:05
(59/64): sqlite-3.7.11-3.fc17.i686.rpm | 356 kB 00:05
(61/64): vim-minimal-7.3.556-1.fc17.i686.rpm | 347 kB 00:05
(62/64): xorg-x11-server-Xephyr-1.12.2-4.fc17.i686.rpm | 875 kB 00:14
(63/64): xscreensaver-extras-5.18-2.fc17.i686.rpm | 1.3 MB 00:22
(64/64): zukini-common-20120708-1.fc17.noarch.rpm | 16 kB 00:00
--------------------------------------------------------------------------------
Total 52 kB/s | 24 MB 07:47
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27th July 2012, 03:05 AM
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Registered "Cashew" User
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Join Date: May 2010
Location: Adelaide, Australia
Age: 18
Posts: 614
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Re: Output not too long
Quote:
Originally Posted by tech291083
One more question though, how can I see the entire screen output in a session? With SHIFT+Page Up I can only go back a certain lines. For example this is what I am doing in a terminal as right now. I have cut some lines as this is just an example. But I can't go back to the very first line when I started this terminal session. I hope you got my point. Thanks.
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Is this in a terminal emulator (e.g. Konsole or gnome-terminal) or in a tty?
__________________
Running Mageia 3 (KDE 4.10) on an ASUS K55V (Core i5, 16GB RAM, 750GB HDD, Nvidia 610M)
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27th July 2012, 11:10 AM
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Registered User
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Posts: 1,718
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Re: Output not too long
With Gnome Terminal you can edit the Profile Preferences and increase the line buffer. Default is 512 lines.
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31st July 2012, 06:39 AM
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Posts: 988
 
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Re: Output not too long
Quote:
Originally Posted by ah7013
Is this in a terminal emulator (e.g. Konsole or gnome-terminal) or in a tty?
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Terminal, thanks
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31st July 2012, 06:52 AM
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Join Date: Apr 2006
Location: Ohio, USA
Posts: 8,301
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Re: Output not too long
Code:
SUMMARY OF LESS COMMANDS
Commands marked with * may be preceded by a number, N.
Notes in parentheses indicate the behavior if N is given.
h H Display this help.
q :q Q :Q ZZ Exit.
---------------------------------------------------------------------------
MOVING
e ^E j ^N CR * Forward one line (or N lines).
y ^Y k ^K ^P * Backward one line (or N lines).
f ^F ^V SPACE * Forward one window (or N lines).
b ^B ESC-v * Backward one window (or N lines).
z * Forward one window (and set window to N).
w * Backward one window (and set window to N).
ESC-SPACE * Forward one window, but don't stop at end-of-file.
d ^D * Forward one half-window (and set half-window to N).
u ^U * Backward one half-window (and set half-window to N).
ESC-) RightArrow * Left one half screen width (or N positions).
ESC-( LeftArrow * Right one half screen width (or N positions).
F Forward forever; like "tail -f".
r ^R ^L Repaint screen.
R Repaint screen, discarding buffered input.
---------------------------------------------------
Default "window" is the screen height.
Default "half-window" is half of the screen height.
---------------------------------------------------------------------------
.....more stuff truncated.....
If it's terminal emulator behavior and not 'less', then pgup pgdn is a good bet.
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None are more hopelessly enslaved than those who falsely believe they are free.
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Last edited by stevea; 31st July 2012 at 06:56 AM.
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1st August 2012, 01:33 PM
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Location: Adelaide, Australia
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Re: Output not too long
Quote:
Originally Posted by tech291083
Terminal, thanks
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Do you mean the the XFCE Terminal? If so you can just go to Edit->Preferences and increase the scrollback amount.
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Running Mageia 3 (KDE 4.10) on an ASUS K55V (Core i5, 16GB RAM, 750GB HDD, Nvidia 610M)
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24th August 2012, 02:12 PM
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Re: Output not too long
I am using GNOME Terminal 3.2.1 and it says A terminal emulator for the GNOME desktop on it when I select About under the Help menu. Thanks. My problem is not gone yet. I simply can't scroll back in order to copy and paste the long outputs some commands generate, thanks.
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24th August 2012, 03:47 PM
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Location: Waldorf, Maryland
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Re: Output not too long
One alternative that doesn't work for everything is to use the "script" utility.
It creates a log of everything output to the terminal. This can be paged through as much as you want from another terminal.
It can get a bit unreadable as escape sequences are also recorded, and terminal level editing gets crazy... but everything is there.
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24th August 2012, 04:14 PM
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Re: Output not too long
I already told you last month how to increase the buffer for Gnome Terminal 3.2.1, but you can also redirect the output to a file like
or even better use the tee command to display it on screen and log it to a file
Code:
ps aux | tee psaux.txt
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26th August 2012, 06:11 AM
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Re: Output not too long
Quote:
Originally Posted by jpollard
One alternative that doesn't work for everything is to use the "script" utility.
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This sounds good, but how do I install this utility and how do I use the same? Thanks.
---------- Post added at 10:11 PM ---------- Previous post was at 10:06 PM ----------
Quote:
Originally Posted by george_toolan
I already told you last month how to increase the buffer for Gnome Terminal 3.2.1,
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Yes, you did. But it did not work, I chose Unlimited option under the scrollback option. The problem unfortunately is still there. Please suggest something, thanks.
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26th August 2012, 11:17 AM
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Re: Output not too long
The script utility should already be installed as it is in the package "util-linux"
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26th August 2012, 12:30 PM
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Re: Output not too long
What exactly are you doing and which programs are you using?
The Terminal scrollback buffer does not work if you pipe the output to another program like less.
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