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 …

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...

Jul 3, 2013 · pgrep -x <process_name> | xargs kill -9 (incidentally, for this specific use case, might as well do pkill -9 -x <process_name>, but the question asked how to get the PID in general) …

2 Take a look at Job Control on UNIX systems If you don't have control of your shell, simply hitting ctrl + C should stop the process. If that doesn't work, you can try ctrl + Z and using the jobs …

Jun 6, 2013 · How do I find all files containing a specific string of text within their file contents? The following doesn't work. It seems to display every single file in the system. find / -type f …

Oct 12, 2009 · I'd like to know the difference (with examples if possible) between CR LF (Windows), LF (Unix) and CR (Macintosh) line break types.

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

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...

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 …

Jul 9, 2009 · 4 Standard Unix exit codes are defined by sysexits.h, as David mentioned. The same exit codes are used by portable libraries such as Poco - here is a list of them: Class …