|
- The UNIX® Standard | www. opengroup. org
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 a rich feature set, and its core volumes are simultaneously the IEEE Portable Operating System Interface (POSIX) standard and the ISO IEC 9945 standard
- What are the special dollar sign shell variables? - Stack Overflow
In Bash, there appear to be several variables which hold special, consistently-meaning values For instance, myprogram amp;; echo $! will return the PID of the process which backgrounded myprog
- How can I extract a predetermined range of lines from a text file on Unix?
I need to extract a certain section of this file (i e the data for a single database) and place it in a new file I know both the start and end line numbers of the data that I want Does anyone know a Unix command (or series of commands) to extract all lines from a file between say line 16224 and 16482 and then redirect them into a new file?
- unix - How to check permissions of a specific directory . . . - Stack . . .
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
- How can I convert bigint (UNIX timestamp) to datetime in SQL Server?
8 This will do it: declare @UNIX_TIME int select @UNIX_TIME = 1111111111 -- Using dateadd to add seconds to 1970-01-01 select [Datetime from UNIX Time] = dateadd(!precision!,@UNIX_TIME,'1970-01-01') Instead of !precision! use: ss,ms or mcs according to the precision of the timestamp Bigint is capable to hold microsecond precision
- unix - What is the meaning of POSIX? - Stack Overflow
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 standard environment to operate in
- Convert DOS Windows line endings to Linux line endings in Vim
Learn how to convert DOS Windows line endings to Linux line endings using Vim with step-by-step instructions and examples
- unix - Shell script for loop syntax - Stack Overflow
Very few systems have a dedicated sh, instead making it a link to other another shell Ideally, such a shell invoked as sh would only support those features in the POSIX standard, but by default let some of their extra features through The C-style for-loop is not a POSIX feature, but may be in sh mode by the actual shell
|
|
|