The UNIX® Standard | www. opengroup. org 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 does the line #! bin sh mean in a UNIX shell script? When you try to execute a program in unix (one with the executable bit set), the operating system will look at the first few bytes of the file These form the so-called "magic number", which can be used to decide the format of the program and how to execute it #! corresponds to the magic number 0x2321 (look it up in an ascii table)
unix - How to check permissions of a specific directory . . . - Stack . . . In GNU Linux, try to use ls, namei, getfacl, stat For Dir [flying@lempstacker ~]$ ls -ldh tmp drwxrwxrwt 23 root root 4 0K Nov 8 15:41 tmp [flying@lempstacker ~]$ namei -l tmp f: tmp dr-xr-xr-x root root drwxrwxrwt root root tmp [flying@lempstacker ~]$ getfacl tmp getfacl: Removing leading ' ' from absolute path names # file: tmp # owner: root # group: root # flags: --t user::rwx
How can I convert bigint (UNIX timestamp) to datetime in SQL Server? due to unix timestamp is in bigint (instead of int), you can use this: SELECT DATEADD(S, CONVERT(int,LEFT(1462924862735870900, 10)), '1970-01-01') FROM TABLE Replace the hardcoded timestamp for your actual column with unix-timestamp Source: MSSQL bigint Unix Timestamp to Datetime with milliseconds
unix - What is the proper way to exit a command line program? - Stack . . . 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 and kill -9 %<job #> to kill it The '-9' is a type of signal You can man kill to see a list of signals
How can I convert a Unix timestamp to DateTime and vice versa? This accepts the Unix time in milliseconds that have elapsed since 1970-01-01T00:00:00Z (January 1, 1970, at 12:00 AM UTC) To use it, first convert the milliseconds to a DateTimeOffset: long millisecs = 1677514053797; replace this with the Unix time you need to convert DateTimeOffset unixTimeOffset = DateTimeOffset FromUnixTimeMilliseconds