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Unix's 'ls' sort by name
Can you sort an ls listing by name?
11 Answers
11
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What is the easiest way to get current GMT time in Unix timestamp format?
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@9000: local timezone doesn't matter. Unix time corresponds to UTC time (if we ignore the time around leap seconds). Think about it: the timestamp is the number of seconds elapsed since the epoch (a fixed moment in time): why would it depend on what timezone mach...
What is the meaning of “POSIX”?
...es (and ancillary issues, such as commandline shell utilities) provided by Unix-y operating systems. When you write your programs to rely on POSIX standards, you can be pretty sure to be able to port them easily among a large family of Unix derivatives (including Linux, but not limited to it!); if ...
Is PowerShell ready to replace my Cygwin shell on Windows? [closed]
...hether I should learn PowerShell, or just stick with Cygwin /Perl scripts/Unix shell scripts, etc.
18 Answers
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Why is creating a new process more expensive on Windows than Linux?
...ight about that process creation plays a less important role on NT than on Unix as NT, in contrast to Unix, favors multithreading over multiprocessing.
Rob, it is true that fork is relatively cheap when COW is used, but as a matter of fact, fork is mostly followed by an exec. And an exec has to loa...
What are carriage return, linefeed, and form feed?
...he only one worth worrying about) is lines end with CRLF on Windows, NL on Unix-likes, and CR on older Macs (the situation has changed with OS X to be like Unix). Note the shift in meaning from LF to NL, for the exact same character, gives the differences between Windows and Unix. (Windows is, of ...
Recommended way to get hostname in Java
...ictly speaking - you have no choice but calling either hostname(1) or - on Unix gethostname(2). This is the name of your computer. Any attempt to determine the hostname by an IP address like this
InetAddress.getLocalHost().getHostName()
is bound to fail in some circumstances:
The IP address might ...
Bash array with spaces in elements
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If you had your array like this:
#!/bin/bash
Unix[0]='Debian'
Unix[1]="Red Hat"
Unix[2]='Ubuntu'
Unix[3]='Suse'
for i in $(echo ${Unix[@]});
do echo $i;
done
You would get:
Debian
Red
Hat
Ubuntu
Suse
I don't know why but the loop breaks down the spaces and put...
UNIX export command [closed]
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Unix
The commands env, set, and printenv display all environment variables and their values. env and set are also used to set environment variables and are often incorporated directly into the shell. printenv can also be use...
How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]
...r "Unknown Apple platform"
#endif
#elif __linux__
// linux
#elif __unix__ // all unices not caught above
// Unix
#elif defined(_POSIX_VERSION)
// POSIX
#else
# error "Unknown compiler"
#endif
The defined macros depend on the compiler that you are going to use.
The _WIN64 #ifdef ...