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 includes …

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 defines a …

Sep 8, 2010 · I want to list only the directories in specified path (ls doesn't have such option). Also, can this be done with a single line command?

Jun 23, 2011 · The definition of unix time and the epoch date went through a couple of changes before stabilizing on what it is now. But it does not say why exactly 1/1/1970 was chosen in the …

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...

Dec 8, 2008 · In Unix/Linux, how do you find out what group a given user is in via command line?

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), …

Feb 28, 2011 · Unix: How to delete files listed in a file Asked 14 years, 10 months ago Modified 1 year, 5 months ago Viewed 195k times

The beauty of Unix-like tools is you can combine them: ls -l | sort -k9,9 The output of ls -l will look like this -rw-rw-r-- 1 luckydonald luckydonald 532 Feb 21 2017 Makefile -rwxrwxrwx 1 …

Dec 4, 2013 · Multiple files of a directory or an entire directory tree can be converted from DOS/Windows to UNIX text files by using command FOR to CALL batch file JREPL.BAT on each …