May 22, 2025 · Single UNIX Specification- “The Standard” The Single UNIX Specification is the standard in which the core interfaces of a UNIX OS are measured. The UNIX standard …

To combine stderr and stdout into the stdout stream, we append this to a command: 2>&1 For example, the following command shows the first few errors from compiling main.cpp: g++ …

I know that using ls -l "directory/directory/filename" tells me the permissions of a file. How do I do the same on a directory? I could obviously use ls -l on the directory higher in the hierarchy...

I've got a large (by number of lines) plain text file that I'd like to split into smaller files, also by number of lines. So if my file has around 2M lines, I'd like to split it up into 10 files t...

Is there a file or menu that will let me change the settings on how to deal with line endings? I read there are 3 options: Checkout Windows-style, commit Unix-style Git will convert LF to CRLF …

Jul 20, 2012 · Use the command sudo netstat -plten |grep java used grep java as tomcat uses java as their processes. It will show the list of processes with port number and process id tcp6 …

use below command to print the file content using echo, echo `cat file.txt` here you can also get benefit of all echo features, I most like the removing of trailing newline character, (to get exact …

How to check if $? is not equal to zero in unix shell scripting? Asked 12 years, 8 months ago Modified 3 years, 8 months ago Viewed 356k times

I have two directories with the same list of files. I need to compare all the files present in both the directories using the diff command. Is there a simple command line option to do it, or do I h...

Adding n seconds to 1970-01-01 will give you a UTC date because n – the Unix timestamp – is the number of seconds that have elapsed since 00:00:00 Coordinated Universal Time (UTC), …