08-17-2001
9 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Please help : I have a question i am just starting to study UNIX and i need some advice,as my teacher isn,t the helpful type.
I have just formatted my pc and partitioned it with win98 and winxp, do i need to create a partion for UNIX ??? OR is UNIX run in whatever partion i want it ????
Will... (6 Replies)
Discussion started by: DAFFYY30
6 Replies
2. IP Networking
Dear all,
If I login to a Unix system (general user account), will the unix system generate a history file?
If positve, will it stored the IP adress also?
Thanks and Regards
Penny Li
;) (2 Replies)
Discussion started by: PennyLi
2 Replies
3. UNIX for Dummies Questions & Answers
what's the point of having loopback when you can just ping your local ip address? for example if my ip is 1.1.1.1, why can't i just do ping 5 1.1.1.1 instead of ping 5 127.0.1.1? it seems to me the only point in having it is for the sake of convenience? (2 Replies)
Discussion started by: jinduy
2 Replies
4. UNIX for Dummies Questions & Answers
i would like to see an unix screen shot if anyone could take a screen shot of unix (7 Replies)
Discussion started by: royal
7 Replies
5. UNIX for Dummies Questions & Answers
I have installed Solaris 10 on SPARC system (Ultra 5)
And I'm using Acer AL1715 LCD monitor.
The screen resolution is not just right.
How to change the resolution
Thanks in advance. (1 Reply)
Discussion started by: chaandana
1 Replies
6. OS X (Apple)
RESOLVED
in the screen shot I'd like to remove the lock sandwiched between the spaces indicator and the monitor icon, how do I get rid of it? It locks the screen and I cannot remember how it came to be
http://guptaxpn.com/tmp/lock_icon_screenshot.png
Thanks for your help! (3 Replies)
Discussion started by: guptaxpn
3 Replies
7. Programming
how is it possible for a directory to be empty and still have a size greater than 0 in bytes...
i made a shell script that shows info about all files/directories and this is what came up
the last one is the size, here its showing 1024
in the for loop i did something like
for h in * .*; do
... (4 Replies)
Discussion started by: omega666
4 Replies
8. UNIX for Dummies Questions & Answers
I'm currently studying for my exam, and is practicing with sample exam questions.
However there is a question asking "Name THREE UNIX Directory system calls" and the answer given is "opendir, closedir and readdir", however the next question ask "Why is a write directory system call not included... (1 Reply)
Discussion started by: Izzy123
1 Replies
9. UNIX for Dummies Questions & Answers
Hi,
The file system unix use a multilevel indexes access to disk, 12 direct blocks, 1 single indirect block, 1 double indirect block, 1 triple indirect block:
Assuming a:
block = 512 bytes,
pointer = 4 byte,
and there is a file of 200 blocks,
how many disk access is needed to read the block... (1 Reply)
Discussion started by: blob84
1 Replies
LEARN ABOUT MOJAVE
screencapture
SCREENCAPTURE(1) BSD General Commands Manual SCREENCAPTURE(1)
NAME
screencapture -- capture images from the screen and save them to a file or the clipboard
SYNOPSIS
screencapture [-SWCTMPcimswxto] file
DESCRIPTION
The screencapture utility is not very well documented to date. A list of options follows.
-c Force screen capture to go to the clipboard.
-b Capture Touch Bar, only works in non-interactive modes.
-C Capture the cursor as well as the screen. Only allowed in non-interactive modes.
-d Display errors to the user graphically.
-i Capture screen interactively, by selection or window. The control key will cause the screen shot to go to the clipboard. The space
key will toggle between mouse selection and window selection modes. The escape key will cancel the interactive screen shot.
-m Only capture the main monitor, undefined if -i is set.
-D <display> Screen capture or record from the display specified. 1 is main, 2 secondary, etc
-o In window capture mode, do not capture the shadow of the window.
-p Screen capture will use the default settings for capture. The files argument will be ignored.
-M Open the taken picture in a new Mail message.
-P Open the taken picture in a Preview window or QuickTime Player if video.
-I Open the taken picture in Mesages.
-B <bundleid> Open in the app matching bundleid.
-s Only allow mouse selection mode.
-S In window capture mode, capture the screen instead of the window.
-J <style> Sets the starting style of interfactive capture "selection","window","video".
-t <format> Image format to create, default is png (other options include pdf, jpg, tiff and other formats).
-T <seconds> Take the picture after a delay of <seconds>, default is 5.
-w Only allow window selection mode.
-W Start interaction in window selection mode.
-x Do not play sounds.
-a Do not capture attached windows.
-r Do not add screen dpi meta data to captured file.
-l <windowid> Captures the window with windowid.
-R <rectangle> Capture rectangle using format x,y,width,height.
-v Capture video recording of the screen.
-V <seconds> Capture video recording of the screen for the specified seconds.
-A <id> Captures audio during a video recording using default input. Optionally pass id of the audio source.
-k Show clicks in video recordings.
-U Show interactive toolbar in interactive mode.
-u Present UI after screencapture is complete. Files passed to commandline will be ignored.
files where to save the screen capture, 1 file per screen
BUGS
Better documentation is needed for this utility.
SECURITY CONSIDERATIONS
To capture screen content while logged in via ssh, you must launch screencapture in the same mach bootstrap hierarchy as loginwindow:
PID=pid of loginwindow
sudo launchctl bsexec $PID screencapture [options]
HISTORY
A screencapture utility first appeared in Mac OS X v10.2.
Mac OS June 16, 2004 Mac OS