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...

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 …

About Us The Open Group is a global consortium that enables the achievement of business objectives through technology standards and open source initiatives by fostering a culture of …

Oct 20, 2014 · i need to find the host name of a UNIX host whose IP is known with out login to that UNIX host

Nov 23, 2009 · Since every Unix does things a little differently -- Solaris, Mac OS X, IRIX, BSD, and Linux all have their quirks -- POSIX is especially useful to those in the industry as it …

Jul 20, 2012 · To list any process listening to the port 8080: lsof -i:8080 To kill any process listening to the port 8080: kill $(lsof -t -i:8080) or more violently: kill -9 $(lsof -t -i:8080) (-9 …

May 4, 2009 · First, if you look at the rm command man page (man rm under most Unix) you notice that –r means "remove the contents of directories recursively". So, doing rm -r . alone …

I am trying to figure out what is the usage of this command: echo < a.txt According to text book it should redirect a programs standards input. Now I am redirecting a.txt to echo but instead of

Mar 9, 2018 · A: To "execute this script" from the terminal on a Unix/Linux type system, you have to do three things: 1. Tell the system the location of the script. (pick one) # type the name of …

Jul 3, 2013 · a way to avoid the "grep -v grep" is to use "grep <process nam [e]>" so it interpolates the string and the process nam [e] isn't found when the first grep executes, if that makes sense.