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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
...
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
...
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]
...
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 ...
How do I find the location of the executable in C? [duplicate]
...
To summarize:
On Unixes with /proc really straight and realiable way is to:
readlink("/proc/self/exe", buf, bufsize) (Linux)
readlink("/proc/curproc/file", buf, bufsize) (FreeBSD)
readlink("/proc/self/path/a.out", buf, bufsize) (Solaris)
O...
What's the best CRLF (carriage return, line feed) handling strategy with Git?
...ocrlf=true if you like
DOS ending or core.autocrlf=input if you prefer
unix-newlines. In both cases, your Git repository will
have only LF, which is the Right Thing. The only
argument for core.autocrlf=false was that automatic
heuristic may incorrectly detect some binary as text
and then...
Bash syntax error: unexpected end of file
...
I think file.sh is with CRLF line terminators.
run
dos2unix file.sh
then the problem will be fixed.
You can install dos2unix in ubuntu with this:
sudo apt-get install dos2unix
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