BtoA – Convert binary base-64 encoded data to ASCII base-64 encoded data. SynopsisBtoA <input_file> <output_file> DescriptionThe BtoA command provides a command-line utility used to convert binary base-64 encoded data to ASCII base-64 encoded data. OptionsThe following parameters are mandatory: <input_file> Specifies the path to the file which contains the base-64 encoded binary data. <output_file> Specifies…
BermudanSwaption – Example of using QuantLib SynopsisBermudanSwaption DescriptionBermudanSwaption is an example of using the QuantLib interest-rate model framework. BermudanSwaption prices a bermudan swaption using different models calibrated to market swaptions. The calibration examples include Hull and White’s using both an analytic formula as well as numerically, and Black and Karasinski’s model. Using these three calibrations,…
AuditVerify – Command-Line utility for verifying Certificate System signed audit logs. SynopsisAuditVerify -d <dbdir> -n <signing_certificate_nickname> -a <logListFile> [-P cert/key_db_prefix] [-v]DescriptionThe AuditVerify command provides command-line utility to verify that signed audit logs were signed with the appropriate CS audit private signing key and that the audit logs have not been compromised. Auditors can verify the…
AtoB – Convert ASCII base-64 encoded data to binary base-64 encoded data. SynopsisAtoB <input_file> <output_file> DescriptionThe AtoB command provides a command-line utility used to convert ASCII base-64 encoded data to binary base-64 encoded data. OptionsThe following parameters are mandatory: <input_file> Specifies the path to the file containing the base-64 encoded ASCII data. <output_file> Specifies the…
7zr – A file archiver with high compression ratio format Synopsis7zr <command> [<switches>… ] <archive_name> [<file_names>… ] [<@listfiles>… ] Description7-Zip is a file archiver supporting 7z (that implements LZMA compression algorithm featuring very high compression ratio), LZMA2, XZ, ZIP, Zip64, CAB, RAR (if the non-free p7zip-rar package is installed), ARJ, GZIP, BZIP2, TAR, CPIO, RPM,…
7za – A file archiver with high compression ratio format Synopsis7za <command> [<switches>… ] <archive_name> [<file_names>… ] [<@listfiles>… ] Description7-Zip is a file archiver supporting 7z (that implements LZMA compression algorithm featuring very high compression ratio), LZMA2, XZ, ZIP, Zip64, CAB, RAR (if the non-free p7zip-rar package is installed), ARJ, GZIP, BZIP2, TAR, CPIO, RPM,…
7z – A file archiver with high compression ratio format Synopsis7z <command> [<switches>… ] <archive_name> [<file_names>… ] [<@listfiles>… ] Description7-Zip is a file archiver supporting 7z (that implements LZMA compression algorithm featuring very high compression ratio), LZMA2, XZ, ZIP, Zip64, CAB, RAR (if the non-free p7zip-rar package is installed), ARJ, GZIP, BZIP2, TAR, CPIO, RPM,…
411toppm – convert Sony Mavica .411 image to ppm Synopsis411toppm [-width width] [-height height] [411file] All options may be abbreviated to the shortest unique prefix. DescriptionReads a .411 file, such as from a Sony Mavic camera, and converts it to a PPM image as output. Output is to Standard Output. The originator of this program…
2to3-2.7 – Python2 to Python3 converter Synopsis2to3 [options] file|dir … Options-h, –help show this help message and exit -d, –doctests_only Fix up doctests only -f FIX, –fix=FIX Each FIX specifies a transformation; default: all -j PROCESSES, –processes=PROCESSES Run 2to3 concurrently -x NOFIX, –nofix=NOFIX Prevent a transformation from being run -l, –list-fixes List available transformations -p,…
listen – listen for connections on a socket Synopsis#include <sys/types.h> /* See NOTES */ #include <sys/socket.h> int listen(int sockfd, int backlog);Descriptionlisten() marks the socket referred to by sockfd as a passive socket, that is, as a socket that will be used to accept incoming connection requests using accept(2). The sockfd argument is a file descriptor…
bind – bind a name to a socket Synopsis#include <sys/types.h> /* See NOTES */ #include <sys/socket.h> int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen);DescriptionWhen a socket is created with socket(2), it exists in a name space (address family) but has no address assigned to it. bind() assigns the address specified by addr to the…
connect – initiate a connection on a socket Synopsis#include <sys/types.h> /* See NOTES */ #include <sys/socket.h> int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);DescriptionThe connect() system call connects the socket referred to by the file descriptor sockfd to the address specified by addr. The addrlen argument specifies the size of addr. The format of…
socket – create an endpoint for communication Synopsis#include <sys/types.h> /* See NOTES */ #include <sys/socket.h> int socket(int domain, int type, int protocol); Descriptionsocket() creates an endpoint for communication and returns a file descriptor that refers to that endpoint. The file descriptor returned by a successful call will be the lowest-numbered file descriptor not currently open…
select, pselect, FD_CLR, FD_ISSET, FD_SET, FD_ZERO – synchronous I/O multiplexing Synopsis#include <sys/select.h> int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout); void FD_CLR(int fd, fd_set *set); int FD_ISSET(int fd, fd_set *set); void FD_SET(int fd, fd_set *set); void FD_ZERO(fd_set *set); int pselect(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, const struct timespec *timeout,…
getpid, getppid – get process identification Synopsis#include <sys/types.h> #include <unistd.h> pid_t getpid(void); pid_t getppid(void); Descriptiongetpid() returns the process ID (PID) of the calling process. (This is often used by routines that generate unique temporary filenames.) getppid() returns the process ID of the parent of the calling process. This will be either the ID of the…
chdir, fchdir – change working directory Synopsis#include <unistd.h> int chdir(const char *path); int fchdir(int fd); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): fchdir(): _XOPEN_SOURCE >= 500 || /* Since glibc 2.12: */ _POSIX_C_SOURCE >= 200809L || /* Glibc up to and including 2.19: */ _BSD_SOURCEDescriptionchdir() changes the current working directory of the calling process to the directory specified in path. fchdir() is identical to chdir(); the…
execve – execute program Synopsis#include <unistd.h> int execve(const char *pathname, char *const argv[], char *const envp[]); Descriptionexecve() executes the program referred to by pathname. This causes the program that is currently being run by the calling process to be replaced with a new program, with newly initialized stack, heap, and (initialized and uninitialized) data segments….
chown – change file owner and group Synopsischown [,OPTION/]… [,OWNER/][,:/[,GROUP/]] ,FILE/… chown [,OPTION/]… ,–reference=RFILE FILE/… DescriptionThis manual page documents the GNU version of chown. chown changes the user and/or group ownership of each given file. If only an owner (a user name or numeric user ID) is given, that user is made the owner of…
ln – make links between files Synopsisln [,OPTION/]… [,-T/] ,TARGET LINK_NAME/ ln [,OPTION/]… ,TARGET/ ln [,OPTION/]… ,TARGET/… ,DIRECTORY/ ln [,OPTION/]… ,-t DIRECTORY TARGET/… DescriptionIn the 1st form, create a link to TARGET with the name LINK_NAME. In the 2nd form, create a link to TARGET in the current directory. In the 3rd and 4th forms,…
du – estimate file space usage Synopsisdu [,OPTION/]… [,FILE/]… du [,OPTION/]… ,–files0-from=F/ DescriptionSummarize disk usage of the set of FILEs, recursively for directories. Mandatory arguments to long options are mandatory for short options too. -0, –null end each output line with NUL, not newline -a, –all write counts for all files, not just directories –apparent-size…