Tips for me, that is.
Because Linux seems to love to be driven by uncooperative, fiddly commands with little sense towards what they’re used for, I figure I should write down any I learn.
sudo su - student
Will get me into the student account on WDM.
When all you want is to edit the text and you can’t double click a file… Using it is another problem altogether though.
ssh (place) -X
Allows you to SSH into a machine with graphical stuff permitted. Not everything should be run through the terminal!
Counts the number of lines in a file. Counts empty lines too.
Need a command for saving only 10% of a file. I’m pretty sure Linux would have something like that.
sed -n '10p'
Displays the 10th line from the file.
4 Replies to “Linux tips”
Ugh – maybe this’ll be helpful:
ESC takes you to vi’s “console”
To save w/o quitting: ESC then :w
Save and quit: ESC then :wq
Get the original file (since last save): ESC :e!
Forgive me, I’m going to use this as well..
Press insert after a save to go back into editing mode. Press insert if editing stops working at any time.
‘nohup nice ./run-cyc.sh &’ will get Cyc running on WDM
‘top’ shows the current processes running. Can kill a process by pressing ‘K’ (I think) and using 9 as the number.
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