Section 2: system calls - Linux man pages
- accept(2)
- accept connection on socket
- access(2)
- check user's permissions for file
- acct(2)
- switch process accounting on/off
- add_key(2)
- Add key to kernel's key management facility
- adjtimex(2)
- tune kernel clock
- afs_syscall(2)
- unimplemented system calls
- alarm(2)
- set alarm clock for delivery of signal
- alloc_hugepages(2)
- allocate/free huge pages
- arch_prctl(2)
- set architecture specific thread state
- atkexit(2)
- Terminate LAM process
- bdflush(2)
- start, flush, or tune buffer-dirty-flush daemon
- bind(2)
- bind name to socket
- break(2)
- unimplemented system calls
- brk(2)
- change data segment size
- cacheflush(2)
- flush contents of instruction/data cache
- capget(2)
- set/get process capabilities
- capset(2)
- set/get process capabilities
- chdir(2)
- change working directory
- chmod(2)
- change permissions of file
- chown(2)
- change ownership of file
- chown32(2)
- change ownership of file
- chroot(2)
- change root directory
- clock_getres(2)
- resolution of any clock
- clock_gettime(2)
- Return current timespec value of tp for specified clock
- clock_nanosleep(2)
- Suspend execution of currently running thread
- clock_settime(2)
- Set specified clock
- clone(2)
- create child process
- __clone2(2)
- create child process
- clone2(2)
- create child process
- close(2)
- close file descriptor
- connect(2)
- initiate connection on socket
- creat(2)
- open/possibly create file/device
- create_module(2)
- create loadable module entry
- dc_ctx_new(2)
- distcache blocking client API
- dc_plug_new(2)
- basic DC_PLUG functions
- dc_plug_read(2)
- DC_PLUG read/write functions
- dc_server_new(2)
- distcache server API
- delete_module(2)
- Delete loadable module
- drecv(2)
- Send/receive LAM datalink messages
- dsend(2)
- Send/receive LAM datalink messages
- dup(2)
- duplicate file descriptor
- dup2(2)
- duplicate file descriptor
- epoll_create(2)
- open epoll file descriptor
- epoll_ctl(2)
- control interface for epoll descriptor
- epoll_pwait(2)
- wait for I/O event on epoll file descriptor
- epoll_wait(2)
- wait for I/O event on epoll file descriptor
- eventfd(2)
- create file descriptor for event notification
- execve(2)
- execute program
- _exit(2)
- terminate current process
- exit(2)
- terminate current process
- exit_group(2)
- exit all threads in process
- faccessat(2)
- change permissions of file relative to directory file descriptor
- fadvise(2)
- Give advice about file access
- fadvise64(2)
- Give advice about file access
- fadvise64_64(2)
- Give advice about file access
- fallocate(2)
- change file space
- fattch(2)
- unimplemented system calls
- fchdir(2)
- change working directory
- fchmod(2)
- change permissions of file
- fchmodat(2)
- change permissions of file relative to directory file descriptor
- fchown(2)
- change ownership of file
- fchown32(2)
- change ownership of file
- fchownat(2)
- change ownership of file relative to directory file descriptor
- fcntl(2)
- change file descriptor
- fcntl64(2)
- change file descriptor
- fdatasync(2)
- synchronize file's in-core data on disk
- fdetach(2)
- unimplemented system calls
- fgetxattr(2)
- extended attrib value
- flistxattr(2)
- extended attrib names
- flock(2)
- apply/remove advisory lock on open file
- fork(2)
- create child process
- free_hugepages(2)
- allocate/free huge pages
- fremovexattr(2)
- remove extended attrib
- fsetxattr(2)
- set extended attrib value
- fstat(2)
- file status
- fstat64(2)
- file status
- fstatat(2)
- file status relative to directory file descriptor
- fstatat64(2)
- file status relative to directory file descriptor
- fstatfs(2)
- file system statistics
- fstatfs64(2)
- file system statistics
- fstatvfs(2)
- file system statistics
- fsync(2)
- synchronize file's in-core state with storage device
- ftruncate(2)
- truncate file to specified length
- ftruncate64(2)
- truncate file to specified length
- futex(2)
- Fast Userspace Locking system call
- futimesat(2)
- change timestamps of file relative to directory file descriptor
- gall(2)
- array of LAM node identifiers
- gcomps(2)
- array of LAM node identifiers
- get_kernel_syms(2)
- exported kernel/module symbols
- get_mempolicy(2)
- current process'/memory address' NUMA policy
- get_robust_list(2)
- get/set list of robust futexes
- get_thread_area(2)
- Thread Local Storage area
- getall(2)
- array of LAM node identifiers
- getcomps(2)
- array of LAM node identifiers
- getcontext(2)
- get/set user context
- getcwd(2)
- current working directory
- getdents(2)
- directory entries
- getdents64(2)
- directory entries
- getdomainname(2)
- get/set domain name
- getdtablesize(2)
- descriptor table size
- getegid(2)
- group identity
- getegid32(2)
- group identity
- geteuid(2)
- user identity
- geteuid32(2)
- user identity
- getgid(2)
- group identity
- getgid32(2)
- group identity
- getgroups(2)
- get/set list of supplementary group IDs
- getgroups32(2)
- get/set list of supplementary group IDs
- gethostid(2)
- get/set unique identifier of current host
- gethostname(2)
- get/set host name
- getitimer(2)
- get/set value of interval timer
- getjones(2)
- array of LAM node identifiers
- getmsg(2)
- unimplemented system calls
- getnall(2)
- info on LAM nodes
- getnjones(2)
- info on LAM nodes
- getnodeid(2)
- info on LAM nodes
- getnodes(2)
- array of LAM node identifiers
- getnodetype(2)
- info on LAM nodes
- getnotb(2)
- info on LAM nodes
- getntype(2)
- info on LAM nodes
- getorigin(2)
- info on LAM nodes
- getotbs(2)
- array of LAM node identifiers
- getpagesize(2)
- memory page size
- getpeername(2)
- name of connected peer socket
- getpgid(2)
- set/get process group
- getpgrp(2)
- set/get process group
- getpid(2)
- process identification
- getpmsg(2)
- unimplemented system calls
- getppid(2)
- process identification
- getpriority(2)
- get/set program scheduling priority
- getrent(2)
- LAM route info
- getrentc(2)
- LAM route info
- getresgid(2)
- real, effective and saved user or group ID
- getresgid32(2)
- real, effective and saved user or group ID
- getresuid(2)
- real, effective and saved user or group ID
- getresuid32(2)
- real, effective and saved user or group ID
- getrlimit(2)
- get/set resource limits
- getroute(2)
- LAM route info
- getroute2(2)
- LAM route info
- getrtype(2)
- LAM route info
- getrusage(2)
- resource usage
- getsid(2)
- session ID
- getsockname(2)
- socket name
- getsockopt(2)
- get/set options on sockets
- gettid(2)
- thread identification
- gettimeofday(2)
- get/set time
- getuid(2)
- user identity
- getuid32(2)
- user identity
- getunwind(2)
- copy unwind data to caller's
- getxattr(2)
- extended attrib value
- gjones(2)
- array of LAM node identifiers
- gnodes(2)
- array of LAM node identifiers
- gotbs(2)
- array of LAM node identifiers
- gtty(2)
- unimplemented system calls
- idle(2)
- make process 0 idle
- ignall(2)
- info on LAM nodes
- igncmp(2)
- info on LAM nodes
- igndid(2)
- info on LAM nodes
- igndtp(2)
- info on LAM nodes
- ignjon(2)
- info on LAM nodes
- ignotb(2)
- info on LAM nodes
- igntp(2)
- info on LAM nodes
- igorgn(2)
- info on LAM nodes
- igrtp(2)
- LAM route info
- inb(2)
- port I/O
- inb_p(2)
- port I/O
- init_module(2)
- Initialize loadable module entry
- inl(2)
- port I/O
- inl_p(2)
- port I/O
- inotify_add_watch(2)
- add watch to initialized inotify instance
- inotify_init(2)
- initialize inotify instance
- inotify_rm_watch(2)
- remove existing watch from inotify instance
- insb(2)
- port I/O
- insl(2)
- port I/O
- insw(2)
- port I/O
- intro(2)
- Introduction to system calls
- introc(2)
- introduction to LAM C programming functions
- introf(2)
- introduction to LAM Fortran programming routines
- inw(2)
- port I/O
- inw_p(2)
- port I/O
- io_cancel(2)
- Cancel outstanding asynchronous I/O operation
- io_destroy(2)
- Destroy asynchronous I/O context
- io_getevents(2)
- Read asynchronous I/O events from completion queue
- io_setup(2)
- Create asynchronous I/O context
- io_submit(2)
- Submit asynchronous I/O blocks for processing
- ioctl(2)
- control device
- ioctl_list(2)
- ioctl calls in /i386 kernel
- ioperm(2)
- set port input/output permissions
- iopl(2)
- change I/O privilege level
- ioprio_get(2)
- get/set I/O scheduling class/priority
- ioprio_set(2)
- get/set I/O scheduling class/priority
- ipc(2)
- System V IPC system calls
- isastream(2)
- unimplemented system calls
- kattach(2)
- Attach/detach process to/from local LAM daemon
- kcreate(2)
- Create LAM process from executable program
- kdetach(2)
- Attach/detach process to/from local LAM daemon
- kdoom(2)
- Deliver signal to LAM process
- kenter(2)
- Enter process into LAM session
- kentr(2)
- Enter process into LAM session
- kexec_load(2)
- loads new kernel image to memory
- _kexit(2)
- Terminate LAM process
- kexit(2)
- Terminate LAM process
- keyctl(2)
- change kernel's key management facility
- kill(2)
- send signal to process
- killpg(2)
- send signal to process group
- kinit(2)
- Initialize LAM process
- krecv(2)
- Send/receive local node LAM messages
- ksend(2)
- Send/receive local node LAM messages
- ksr(2)
- Send/receive local node LAM messages
- kstate(2)
- synchronization status of LAM process
- kxit(2)
- Terminate LAM process
- lam_kpause(2)
- change LAM signal handling policy
- lam_ksigblock(2)
- change LAM signal handling policy
- lam_ksignal(2)
- Specify signal handler for LAM signal
- lam_ksigretry(2)
- change LAM signal handling policy
- lam_ksigsetmask(2)
- change LAM signal handling policy
- lam_ksigsetretry(2)
- change LAM signal handling policy
- lam_rfclose(2)
- LAM POSIX-like remote file service
- lam_rfincr(2)
- Control LAM specific file daemon services
- lam_rflseek(2)
- LAM POSIX-like remote file service
- lam_rfopen(2)
- LAM POSIX-like remote file service
- lam_rfposix(2)
- LAM POSIX-like remote file service
- lam_rfread(2)
- LAM POSIX-like remote file service
- lam_rfrmfd(2)
- Control LAM specific file daemon services
- lam_rfstat(2)
- LAM POSIX-like remote file service
- lam_rfstate(2)
- Report status of remote LAM file descriptors
- lam_rfwrite(2)
- LAM POSIX-like remote file service
- lam_rtrfforget(2)
- Unload LAM trace data
- lam_rtrfget(2)
- Unload LAM trace data
- lam_rtrforget(2)
- Unload LAM trace data
- lam_rtrget(2)
- Unload LAM trace data
- lam_rtrstore(2)
- Store LAM trace data
- lam_rtrsweep(2)
- Remove LAM trace data
- lam_rtrudie(2)
- Remove LAM trace data
- lam_rtrwipe(2)
- Remove LAM trace data
- lamf_rfclose(2)
- Open/close remote file
- lamf_rfopen(2)
- Open/close remote file
- lamf_rfread(2)
- Read/write data from/to remote file
- lamf_rfwrite(2)
- Read/write data from/to remote file
- lchown(2)
- change ownership of file
- lchown32(2)
- change ownership of file
- lgetxattr(2)
- extended attrib value
- link(2)
- make new name for file
- linkat(2)
- create file link relative to directory file descriptors
- listen(2)
- listen for connections on socket
- listxattr(2)
- extended attrib names
- llistxattr(2)
- extended attrib names
- _llseek(2)
- reposition read/write file offset
- llseek(2)
- reposition read/write file offset
- lock(2)
- unimplemented system calls
- lookup_dcookie(2)
- return directory entry's path
- lpattach(2)
- Attach, detach LAM process from remote process management
- lpdetach(2)
- Attach, detach LAM process from remote process management
- lremovexattr(2)
- remove extended attrib
- lseek(2)
- reposition read/write file offset
- lsetxattr(2)
- set extended attrib value
- lstat(2)
- file status
- lstat64(2)
- file status
- madvise(2)
- give advice about use of memory
- madvise1(2)
- unimplemented system calls
- mbind(2)
- Set memory policy for memory range
- mincore(2)
- info on whether pages are in core
- mkdir(2)
- create directory
- mkdirat(2)
- create directory relative to directory file descriptor
- mknod(2)
- create special/ordinary file
- mknodat(2)
- create special/ordinary file relative to directory file descriptor
- mlock(2)
- lock/unlock memory
- mlockall(2)
- lock/unlock memory
- mmap(2)
- map/unmap files/devices into memory
- mmap2(2)
- map files/devices into memory
- modify_ldt(2)
- get/set ldt
- mount(2)
- mount/unmount filesystems
- move_pages(2)
- move set of pages of process to different NUMA node
- mprotect(2)
- control allowable accesses to region of memory
- mpx(2)
- unimplemented system calls
- mq_getsetattr(2)
- get/set message queue attribs
- mq_notify(2)
- register for notification when message is available
- mq_open(2)
- open message queue
- mq_timedreceive(2)
- receive message from message queue
- mq_timedsend(2)
- send message to message queue
- mq_unlink(2)
- remove message queue
- mremap(2)
- re-map virtual memory address
- msgctl(2)
- message control operations
- msgget(2)
- message queue identifier
- msgop(2)
- message operations
- msgrcv(2)
- message operations
- msgsnd(2)
- message operations
- msync(2)
- synchronize file with memory map
- multiplexer(2)
- unimplemented system calls
- munlock(2)
- lock/unlock memory
- munlockall(2)
- lock/unlock memory
- munmap(2)
- map/unmap files/devices into memory
- nal_address_new(2)
- libnal addressing functions
- nal_buffer_new(2)
- libnal buffer functions
- nal_connection_new(2)
- libnal connection functions
- nal_decode_uint32(2)
- libnal serialisation functions
- nal_listener_new(2)
- libnal listener functions
- nal_selector_new(2)
- libnal selector functions
- nanosleep(2)
- pause execution for specified time
- _newselect(2)
- synchronous I/O multiplexing
- nfsservctl(2)
- syscall interface to kernel nfs daemon
- nice(2)
- change process priority
- nprob(2)
- Report if LAM bufferd network message is ready to be received
- nprobe(2)
- Report if LAM bufferd network message is ready to be received
- nrcv(2)
- Send/receive LAM network messages
- nrecv(2)
- Send/receive LAM network messages
- nsend(2)
- Send/receive LAM network messages
- nsnd(2)
- Send/receive LAM network messages
- obsolete(2)
- obsolete system calls
- oldfstat(2)
- obsolete system calls
- oldlstat(2)
- obsolete system calls
- oldolduname(2)
- obsolete system calls
- oldstat(2)
- obsolete system calls
- olduname(2)
- obsolete system calls
- open(2)
- open/possibly create file/device
- openat(2)
- open file relative to directory file descriptor
- outb(2)
- port I/O
- outb_p(2)
- port I/O
- outl(2)
- port I/O
- outl_p(2)
- port I/O
- outsb(2)
- port I/O
- outsl(2)
- port I/O
- outsw(2)
- port I/O
- outw(2)
- port I/O
- outw_p(2)
- port I/O
- path_resolution(2)
- find file referred to by filename
- pause(2)
- wait for signal
- pciconfig_iobase(2)
- pci device info handling
- pciconfig_read(2)
- pci device info handling
- pciconfig_write(2)
- pci device info handling
- perfmonctl(2)
- interface to PMU
- personality(2)
- set process execution domain
- pipe(2)
- create pipe
- pivot_root(2)
- change root file system
- poll(2)
- wait for some event on file descriptor
- posix_fadvise(2)
- predeclare access pattern for file data
- ppoll(2)
- wait for some event on file descriptor
- prctl(2)
- operations on process
- prcv(2)
- LAM physical layer message passing
- prcvc(2)
- LAM physical layer message passing
- prcvo(2)
- LAM physical layer message passing
- pread(2)
- read from/write to file descriptor at given offset
- pread64(2)
- read from/write to file descriptor at given offset
- precv(2)
- LAM physical layer message passing
- prof(2)
- unimplemented system calls
- pselect(2)
- synchronous I/O multiplexing
- pselect6(2)
- synchronous I/O multiplexing
- psend(2)
- LAM physical layer message passing
- psnd(2)
- LAM physical layer message passing
- psndc(2)
- LAM physical layer message passing
- psndo(2)
- LAM physical layer message passing
- ptrace(2)
- process trace
- putmsg(2)
- unimplemented system calls
- putpmsg(2)
- unimplemented system calls
- pwrite(2)
- read from/write to file descriptor at given offset
- pwrite64(2)
- read from/write to file descriptor at given offset
- query_module(2)
- query kernel for various bits pertaining to modules
- quotactl(2)
- change disk quotas
- rbflook(2)
- copy of buffered LAM message packet
- rbfparms(2)
- Control LAM remote buffers
- rbfstate(2)
- Report status of remote LAM buffers
- rbfsweep(2)
- Control LAM remote buffers
- rbfudie(2)
- Control LAM remote buffers
- rbfwipe(2)
- Control LAM remote buffers
- read(2)
- read from file descriptor
- readahead(2)
- perform file readahead into page cache
- readdir(2)
- read directory entry
- readlink(2)
- read value of symbolic link
- readlinkat(2)
- read value of symbolic link relative to directory file descriptor
- readv(2)
- read/write data into multiple buffers
- reboot(2)
- reboot/enable/disable Ctrl-Alt-Del
- recho(2)
- Send messages to LAM echo server
- recv(2)
- receive message from socket
- recvfrom(2)
- receive message from socket
- recvmsg(2)
- receive message from socket
- remap_file_pages(2)
- create non-linear file mapping
- removexattr(2)
- remove extended attrib
- rename(2)
- change name/location of file
- renameat(2)
- rename file relative to directory file descriptors
- request_key(2)
- Request key from kernel's key management facility
- restart_syscall(2)
- Restart system call
- rflat(2)
- Tag/load storage on LAM remote nodes
- rflclean(2)
- Tag/load storage on LAM remote nodes
- rforget(2)
- Find tagged storage on LAM remote node
- rget(2)
- Find tagged storage on LAM remote node
- rload(2)
- Load file onto LAM remote node
- rmdir(2)
- delete directory
- rpcreate(2)
- Create LAM process on remote node
- rpdoom(2)
- Signal LAM processes on remote node
- rpgo(2)
- Create LAM process on remote node from tagged storage
- rpldgo(2)
- Load/execute LAM program on remote node
- rploadgo(2)
- Load/execute LAM program on remote node
- rpspawn(2)
- Spawn LAM process onto remote node
- rpstate(2)
- Report status of LAM processes on remote node
- rpwait(2)
- Wait for child LAM process to terminate
- rpwt(2)
- Wait for child LAM process to terminate
- rrsetrents(2)
- Set LAM route info
- rt_sigaction(2)
- Alter action taken by process
- rt_sigpending(2)
- Examine pending signal raised while blocked
- rt_sigprocmask(2)
- Change list of currently blocked signals
- rt_sigqueueinfo(2)
- Send signal info to signal
- rt_sigreturn(2)
- Return from signal handler/clean up stack frame
- rt_sigsuspend(2)
- Replace signal mask for value with unewset value until signal is received
- rt_sigtimedwait(2)
- Synchronously wait for queued signals specified in uthese
- rtas(2)
- Allows userspace to call RTAS
- sbrk(2)
- change data segment size
- sched_get_priority_max(2)
- static priority range
- sched_get_priority_min(2)
- static priority range
- sched_getaffinity(2)
-
- sched_getparam(2)
- set/get scheduling parameters
- sched_getscheduler(2)
- set/get scheduling algorithm/parameters
- sched_rr_get_interval(2)
- SCHED_RR interval for named process
- sched_setaffinity(2)
-
- sched_setparam(2)
- set/get scheduling parameters
- sched_setscheduler(2)
- set/get scheduling algorithm/parameters
- sched_yield(2)
- yield processor
- security(2)
- unimplemented system calls
- select(2)
- synchronous I/O multiplexing
- select_tut(2)
- synchronous I/O multiplexing
- semctl(2)
- semaphore control operations
- semget(2)
- semaphore set identifier
- semop(2)
- semaphore operations
- semtimedop(2)
- semaphore operations
- send(2)
- send message on socket
- sendfile(2)
- transfer data between file descriptors
- sendfile64(2)
- transfer data between file descriptors
- sendmsg(2)
- send message on socket
- sendto(2)
- send message on socket
- set_mempolicy(2)
-
- set_robust_list(2)
- get/set list of robust futexes
- set_thread_area(2)
- Set Thread Local Storage area
- set_tid_address(2)
- Sets current clear_child_tid to tidptr
- setcontext(2)
- get/set user context
- setdomainname(2)
- get/set domain name
- setegid(2)
- set effective user/group ID
- seteuid(2)
- set effective user/group ID
- setfsgid(2)
- set group identity used for file system checks
- setfsgid32(2)
- set group identity used for file system checks
- setfsuid(2)
- set user identity used for file system checks
- setfsuid32(2)
- set user identity used for file system checks
- setgid(2)
- set group identity
- setgid32(2)
- set group identity
- setgroups(2)
- get/set list of supplementary group IDs
- setgroups32(2)
- get/set list of supplementary group IDs
- sethostid(2)
- get/set unique identifier of current host
- sethostname(2)
- get/set host name
- setitimer(2)
- get/set value of interval timer
- setpgid(2)
- set/get process group
- setpgrp(2)
- set/get process group
- setpriority(2)
- get/set program scheduling priority
- setregid(2)
- set real/effective user/group ID
- setregid32(2)
- set real/effective user/group ID
- setresgid(2)
- set real, effective and saved user or group ID
- setresgid32(2)
- set real, effective and saved user or group ID
- setresuid(2)
- set real, effective and saved user or group ID
- setresuid32(2)
- set real, effective and saved user or group ID
- setreuid(2)
- set real/effective user/group ID
- setreuid32(2)
- set real/effective user/group ID
- setrlimit(2)
- get/set resource limits
- setsid(2)
- creates session/sets process group ID
- setsockopt(2)
- get/set options on sockets
- settimeofday(2)
- get/set time
- setuid(2)
- set user identity
- setuid32(2)
- set user identity
- setup(2)
- setup devices and file systems, mount root file system
- setxattr(2)
- set extended attrib value
- sgetmask(2)
- ANSI C signal handling
- shmat(2)
- shared memory operations
- shmctl(2)
- shared memory control
- shmdt(2)
- shared memory operations
- shmget(2)
- allocates shared memory segment
- shmop(2)
- shared memory operations
- shutdown(2)
- shut down part of full-duplex connection
- sigaction(2)
- examine/change signal action
- sigaltstack(2)
- get/set alternate signal stack content
- sigblock(2)
- change signal mask
- siggetmask(2)
- change signal mask
- sigmask(2)
- change signal mask
- signal(2)
- ANSI C signal handling
- signalfd(2)
- create file descriptor for accepting signals
- sigpause(2)
- atomically release blocked signals/wait for interrupt
- sigpending(2)
- examine pending signals
- sigprocmask(2)
- examine/change blocked signals
- sigqueue(2)
- queue signal/data to process
- sigreturn(2)
- return from signal handler/cleanup stack frame
- sigsetmask(2)
- change signal mask
- sigsuspend(2)
- wait for signal
- sigtimedwait(2)
- synchronously wait for queued signals
- sigvec(2)
- BSD software signal facilities
- sigwaitinfo(2)
- synchronously wait for queued signals
- socket(2)
- create endpoint for communication
- socketcall(2)
- socket system calls
- socketpair(2)
- create pair of connected sockets
- splice(2)
- splice data to/from pipe
- spu_create(2)
- create new spu context
- spu_run(2)
- execute spu context
- spufs(2)
- SPU file system
- ssetmask(2)
- ANSI C signal handling
- sstk(2)
- change stack size
- stat(2)
- file status
- stat64(2)
- file status
- statfs(2)
- file system statistics
- statfs64(2)
- file system statistics
- statvfs(2)
- file system statistics
- stime(2)
- set time
- stty(2)
- unimplemented system calls
- swapcontext(2)
- Swap out old context with new context
- swapoff(2)
- start/stop swapping to file/device
- swapon(2)
- start/stop swapping to file/device
- symlink(2)
- make new name for file
- symlinkat(2)
- create symbolic link relative to directory file descriptor
- sync(2)
- commit buffer cache to disk
- sync_file_range(2)
- sync file segment with disk
- _syscall(2)
- invoking system call without library support
- syscall(2)
- indirect system call
- syscalls(2)
- all system calls
- _sysctl(2)
- read/write system parameters
- sysctl(2)
- read/write system parameters
- sysfs(2)
- file system type info
- sysinfo(2)
- returns info on overall system statistics
- syslog(2)
- read/clear kernel message ring buffer; set console_loglevel
- tee(2)
- duplicating pipe content
- tgkill(2)
- Send signal sig to one specific thread, tgid
- time(2)
- time in seconds
- timer_create(2)
- Create POSIX.1b interval timer clock
- timer_delete(2)
- Delete POSIX.1b interval timer
- timer_getoverrun(2)
- number of overruns of POSIX.1b interval timer
- timer_gettime(2)
- time remaining on POSIX.1b interval timer
- timer_settime(2)
- Set time on POSIX.1b interval timer
- times(2)
- process times
- tkill(2)
- send signal to single process
- trcv(2)
- Send/receive LAM transport messages
- trecv(2)
- Send/receive LAM transport messages
- trror(2)
- Print LAM system error message
- truncate(2)
- truncate file to specified length
- truncate64(2)
- truncate file to specified length
- tsend(2)
- Send/receive LAM transport messages
- tsnd(2)
- Send/receive LAM transport messages
- tux(2)
- interact with TUX kernel subsystem
- tuxcall(2)
- unimplemented system calls
- ugetrlimit(2)
- get/set resource limits
- umask(2)
- set file mode creation mask
- umount(2)
- mount/unmount filesystems
- umount2(2)
- mount/unmount filesystems
- uname(2)
- name/info about current kernel
- undocumented(2)
- undocumented system calls
- unimplemented(2)
- unimplemented system calls
- unlink(2)
- delete name/possibly file it refers to
- unlinkat(2)
- remove directory entry relative to directory file descriptor
- unshare(2)
- disassociate parts of process execution context
- uselib(2)
- load shared library
- ustat(2)
- file system statistics
- utime(2)
- change access/modification times of inode
- utimes(2)
- change access/modification times of inode
- vfork(2)
- create child process/block parent
- vhangup(2)
- virtually hangup current tty
- vm86(2)
- enter virtual 8086 mode
- vm86old(2)
- enter virtual 8086 mode
- vmsplice(2)
- splice user pages into pipe
- vserver(2)
- unimplemented system calls
- wait(2)
- wait for process to change state
- wait3(2)
- wait for process to change state, BSD style
- wait4(2)
- wait for process to change state, BSD style
- waitid(2)
- wait for process to change state
- waitpid(2)
- wait for process to change state
- write(2)
- to file descriptor
- writev(2)
- read/write data into multiple buffers