I have a text file whose delimiter is tab. The file has 4 columns. Now I want to get a new file sorted from the old file. The sort order is column1 then column 4.
The first column contains number 1,2,3,4,5....22 and letter X.
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I am a long time windows user and for me it is normal to have spaces in directory and file names. Changing to Linux I found myself frustrated when I moved my windows data over to my new Linux computer.
The problem occurs when at the command line.…
Using 'screen' for session sharing, The Simple Edition
Step 1: user starts session with command: screen
Step 2: other user (logged in with same user account) connects with command: screen -x
Done. Both users are connected to the same CLI sessio…
Learn how to get help with Linux/Unix bash shell commands.
Use help to read help documents for built in bash shell commands.: Use man to interface with the online reference manuals for shell commands.: Use man to search man pages for unknown command…