_exit (2)            - terminate the current process
a2p (1)              - Awk to Perl translator
abort (3)            - cause abnormal program termination
abs (3)              - computes the absolute value of an integer.
accept (2)           - accept a connection on a socket
access (2)           - check user's permissions for a file
acct (2)             - switch process accounting on or off
acos (3)             - arc cosine function
acosh (3)            - inverse hyperbolic cosine function
adjust_clock (9)     - Adjusts startup time counter to tick in GMT
alarm (2)            - set an alarm clock for delivery of a signal
apropos (1)          - search the whatis database for strings
ascii (7)            - the ASCII character set
asctime, (3)         - ctime, gmtime, localtime, mktime - transform binary date and time to ASCII
asin (3)             - arc sine function
asinh (3)            - inverse hyperbolic sine function
assert (3)           - Abort the program if assertion is false.
atan (3)             - arc tangent function
atan2 (3)            - arc tangent function of two variables
atanh (3)            - inverse hyperbolic tangent function
atexit (3)           - register a function to be called at normal program termination.
atof (3)             - convert a string to a double.
atoi (3)             - convert a string to an integer.
atol (3)             - convert a string to a long integer.
basename (1L)        - strip directory and suffix from filenames
bash (1)             - GNU Bourne-Again SHell
bash, (1)            - :, ., alias, bg, bind, break, builtin, bye, case, cd, command, continue, declare, dirs, echo, enable, eval, exec, exit, export, fc, fg, for, getopts, hash, help, history, if, jobs, kill, let, local, logout, popd, pushd, pwd, read, readonly, return, set, shift, source, suspend, test, times, trap, type, typeset, ulimit, umask, unalias, unset, until, wait, while - bash built-in commands, see \fBbash(1)
bcmp (3)             - compare byte strings
bcmp, (3)            - bcopy, bzero, memccpy, memchr, memcmp, memcpy, memfrob, memmem, memmove, memset - byte string operations
bcopy (3)            - copy byte strings
bind (2)             - bind a name to a socket
bison (1)            - GNU Project parser generator (yacc replacement)
break, (2)           - stty, gtty, prof, ulimit, setsid, siggetmask, sigsetmask, socketcall, klog, ipc, sigreturn, clone, syslog - undocumented system call
brk, (2)             - sbrk - change data segment size
bsearch (3)          - binary search of a sorted array.
bzero (3)            - write zeros to a byte string
calloc, (3)          - malloc, free, realloc - Allocate and free dynamic memory
cat (1L)             - concatenate files and print on the standard output
ceil (3)             - smallest integral value not less than x
chdir (2)            - change working directory
chmod, (2)           - fchmod - change permissions of a file
chown, (2)           - fchown - change ownership of a file
chroot (2)           - change root directory
cksum (1L)           - checksum and count the bytes in a file
clock (3)            - Determine processor time
close (2)            - close a file descriptor
closedir (3)         - close a directory
comm (1L)            - compare two sorted files line by line
confstr (3)          - get configuration dependent string variables
connect (2)          - initiate a connection on a socket
copysign (3)         - copy sign of a number
cosh (3)             - hyperbolic cosine function
csplit (1L)          - split a file into sections determined by context lines
ctermid (3)          - get controlling terminal name
ctrl_alt_del (9)     - routes the keyboard interrupt .B ctrl-alt-del key sequence
cut (1L)             - remove sections from each line of files
date (1L)            - print or set the system date and time
difftime (3)         - calculate time difference
dirname (1L)         - strip filename suffix from pathname
div (3)              - computes the quotient and remainder of integer division
drand48, (3)         - erand48, lrand48, nrand48, mrand48, jrand48, srand48, seed48, lcong48 - generate uniformly distributed pseudo-random numbers
drem (3)             - floating-point remainder function
dup, (2)             - dup2 - duplicate a file descriptor
echo (1L)            - display a line of text
ecvt, (3)            - fcvt - convert a floating-point number to a string.
env (1L)             - run a program in a modified environment
erf, (3)             - erfc - error function and complementary error function
exit (3)             - cause normal program termination
exp, (3)             - log, log10, pow - exponential, logarithmic and power functions
expand (1L)          - convert tabs to spaces
fabs (3)             - absolute value of floating-point number
false (1L)           - do nothing, unsuccessfully
fcntl (2)            - manipulate file descriptor
fd (4)               - floppy disk devive
ffs (3)              - find first bit set in a word
fgetc, (3)           - fgets, getc, getchar, gets, ungetc - input of characters and strings
fgetgrent (3)        - get group file entry
fgetpwent (3)        - get password file entry
file_table (9)       - detailed description of the table and table entry
file_table_init (9)  - initializes the file table in the kernel
filesystems (9)      - details the table of configured file systems
find (1L)            - search for files in a directory hierarchy
flex (1)             - fast lexical analyzer generator
flock (2)            - apply or remove an advisory lock on an open file
floor (3)            - largest integral value not greater than x
fmod (3)             - floating-point remainder function
fnmatch (3)          - match filename or pathname
fold (1L)            - wrap each input line to fit in specified width
fork, (2)            - vfork - create a child process
fpathconf, (3)       - pathconf - get configuration values for files
fputc, (3)           - fputs, putc, putchar, puts - output of characters and strings
frexp (3)            - convert floating-point number to fractional and integral components
fsync (2)            - synchronize a file's in-core state with that on disk
ftime (3)            - return date and time
ftw (3)              - file tree walk
gcvt (3)             - convert a floating-point number to a string.
get_empty_filp (9)   - fetches an unreferenced entry from the file table
getcwd, (3)          - get_current_dir_name, getwd - Get current working directory
getdirentries (3)    - get directory entries in a filesystem independent format
getdomainname, (2)   - setdomainname - get/set domain name
getdtablesize (2)    - get descriptor table size
getenv (3)           - get an environment variable
getgid, (2)          - getegid - get group identity
getgrent, (3)        - setgrent, endgrent - get group file entry
getgrnam, (3)        - getgrgid - get group file entry
getgroups, (2)       - setgroups - get/set group access list
gethostbyname, (3)   - gethostbyaddr, sethostent, endhostent, herror - get network host entry
gethostid, (2)       - sethostid - get/set host's Internet number [NOT IMPLEMENTED]
gethostname, (2)     - sethostname - get/set host name
getitimer, (2)       - setitimer - get or set value of an interval timer
getmntent, (3)       - setmntent, addmntent, endmntent, hasmntopt - get file system descriptor file entry
getnetent, (3)       - getnetbyname, getnetbyaddr, setnetent, endnetent - get network entry
getopt (3)           - Read command line options
getpagesize (2)      - get system page size
getpeername (2)      - get name of connected peer
getpid, (2)          - getppid - get process identification
getpriority, (2)     - setpriority - get/set program scheduling priority
getprotoent, (3)     - getprotobyname, getprotobynumber, setprotoent, endprotoent - get protocol entry
getpw (3)            - Re-construct password line entry
getpwent, (3)        - setpwent, endpwent - get password file entry
getpwnam, (3)        - getpwuid - get password file entry
getrlimit, (2)       - getrusage, setrlimit - get/set resource limits and usage
getservent, (3)      - getservbyname, getservbyport, setservent, endservent - get service entry
getsockname (2)      - get socket name
gettimeofday, (2)    - settimeofday - get / set time
getuid, (2)          - geteuid - get user identity
getusershell, (3)    - setusershell, endusershell - get legal user shells
glob, (3)            - globfree - find pathnames matching a pattern, free memory from glob()
group (5)            - user group file
groups (1L)          - print the groups a user is in
grow_files (9)       - adds entries to the file table
h2ph (1)             - convert .h C header files to .ph Perl header files
hd (4)               - MFM/IDE hard disk devive
head (1L)            - output the first part of files
hier (7)             - Description of the file system hierarchy
htonl, (3)           - htons, ntohl, ntohs - convert values between host and network byte order
hypot (3)            - Euclidean distance function
id (1L)              - print real and effective UIDs and GIDs
idle (2)             - make process idle
in_group_p (9)       - searches group IDs for a match
index, (3)           - rindex - locate character in string
inet_addr, (3)       - inet_network, inet_ntoa, inet_makeaddr, inet_lnaof, inet_netof - Internet address manipulation routines
infnan (3)           - deal with infinite or not-a-number (NaN) result
initgroups (3)       - initialize the supplementary group access list
insert_file_free (9) - adds a file entry into the file table
into (2)             - Introduction to system calls
intro (1)            - Introduction to user commands
intro (3)            - Introduction to library functions
intro (4)            - Introduction to special files
intro (5)            - Introduction to file formats
intro (6)            - Introduction to games
intro (7)            - Introduction to miscellany section
intro (8)            - Introduction to administration and privileged commands
ioperm (2)           - set port input/output permissions
iopl (2)             - change I/O privilege level
isalnum, (3)         - isalpha, iscntrl, isdigit, isgraph, islower, isprint, ispunct, isspace, isupper, isxdigit - character classification routines
isatty (2)           - does this descriptor refer to a terminal
isinf, (3)           - isnan, finite - test for infinity or not-a-number (NaN)
issue (5)            - issue identification file
j0, (3)              - j1, jn, y0, y1, yn - Bessel functions
join (1L)            - join lines of two files on a common field
kernel_mktime (9)    - convert startup struct\ mktime\fP into the number of seconds since 00:00:00 January 1, 1970
kill (2)             - send signal to a process
killpg (2)           - send signal to a process group
killpg (3)           - send signal to all members of a process group.
labs (3)             - computes the absolute value of a long integer.
ldexp (3)            - multiply floating-point number by integral power of 2
ldiv (3)             - computes the quotient and remainder of long integer division.
less (1)             - opposite of more
lesskey (1)          - specify key bindings for less
lgamma (3)           - log gamma function
link (2)             - make a new name for a file
listen (2)           - listen for connections on a socket
locale (7)           - Description of multi\-language support
localeconv (3)       - get numeric formatting information
locate (1L)          - list files in databases that match a pattern
logname (1L)         - print user's login name
lp (4)               - line printer devices
lseek (2)            - reposition read/write file offset
man (1)              - format and display the on-line manual pages
man (7)              - macros to format man pages
manpath (1)          - determine user's search path for man pages
mblen (3)            - determine the number of bytes in a character
mbstowcs (3)         - convert a multibyte string to a wide character string.
mbstowcs (3)         - convert a wide character string to a multibyte character string.
mbtowc (3)           - convert a multibyte character to a wide character.
mem, (4)             - kmem, port - system memory, kernel memory and system ports
memccpy (3)          - copy memory area
memchr (3)           - scan memory for a character
memcmp (3)           - compare memory areas
memcpy (3)           - copy memory area
memfrob (3)          - frobnicate (encrypt) a memory area
memmem (3)           - locate a substring
memmove (3)          - copy memory area
memset (3)           - fill memory with a constant byte
mkdir (2)            - make a directory file
mknod (2)            - make a special file node
mkstemp (3)          - create a unique temporary file
mktemp (3)           - make a unique temporary file name
mmap, (2)            - munmap - map or unmap files or devices into memory
modf (3)             - extract signed integral and fractional values from floating-point number
motd (5)             - message of the day
mount, (2)           - umount - mount and unmount filesystems.
nice (1L)            - run a program with modified scheduling priority
nice (2)             - change process priority
nl (1L)              - number lines of files
nohup (1L)           - run a command immune to hangups, with output to a non-tty
nologin (5)          - prevent usual users from log into the system
null, (4)            - zero - data sink
od (1L)              - dump files in octal and other formats
on_exit (3)          - register a function to be called at normal program termination.
open, (2)            - creat - open and possibly create a file or device
opendir (3)          - open a directory
paste (1L)           - merge lines of files
patch (1)            - apply a diff file to an original
pathchk (1L)         - check whether pathnames are valid or portable
pause (2)            - wait for signal
perl (1)             - Practical Extraction and Report Language
phys (2)             - allow a process to access physical addresses [NOT IMPLEMENTED]
pr (1L)              - convert text files for printing
printenv (1L)        - print all or part of environment
printf (1L)          - format and print data
proc_sel (9)         - select a process by a critria
profil (2)           - execution time profile
psignal (3)          - print signal message
put_file_last (9)    - moves a file to the ``end'' of the file table
putenv (3)           - change or add an environment variable
putpwent (3)         - write a password file entry
qsort (3)            - sorts an array
raise (3)            - send a signal.
ram (4)              - ram disk devive
rand, (3)            - srand - random number generator.
random, (3)          - srandom, initstate, setstate - random number generator.
read (2)             - read from a file descriptor
readdir (3)          - read a directory
readlink (2)         - read value of a symbolic link
readv, (3)           - writev - read or write data into multiple buffers
reboot (2)           - reboot or disable Cntrl-Alt-Del
recv, (2)            - recvfrom, recvmsg - receive a message from a socket
remove_file_free (9) - remove a file table entry from the linked list
rename (2)           - change the name or location of a file
res_init, (3)        - res_query, res_search, res_querydomain, res_mkquery, res_send, dn_comp, dn_expand - resolver routines
rewinddir (3)        - reset directory stream
rint (3)             - round to closest integer
rmdir (2)            - delete a directory
s2p (1)              - Sed to Perl translator
scandir, (3)         - alphasort - scan a directory for matching entries
sd (4)               - Driver for SCSI Disk Drives
securetty (5)        - file which lists ttys from which root can log in
seekdir (3)          - set the position of the next readdir() call in the directory stream.
select (2)           - synchronous I/O multiplexing
send, (2)            - sendto, sendmsg - send a message from a socket
setenv (3)           - change or add an environment variable
setgid, (2)          - setegid - get group identity
setlocale (3)        - set the current locale.
setpgid, (2)         - getpgrp, setpgrp - set/get process group
setuid, (2)          - seteuid - get user identity
setup (2)            - initialize the ST506 hd driver drive and partition parameters
shells (5)           - pathnames of valid login shells
shmctl (2)           - shared memory control
shmget (2)           - allocates a shared memory segment
shmop, (2)           - shmat, shmdt - shared memory operations
shutdown (2)         - shut down part of a full-duplex connection
sigblock, (2)        - sigmask - block signals
siginterrupt (3)     - allow signals to interrupt system calls
signal (7)           - list of available signals
signal, (2)          - sigaction, sigsuspend, sigpending, sgetmask, ssetmask - signal handling functions.
sigpause (2)         - atomically release blocked signals and wait for interrupt
sigvec (2)           - software signal facilities
sinh (3)             - hyperbolic sine function
sleep (1L)           - delay for a specified amount of time
sleep (3)            - Sleep for the specified number of seconds
socket (2)           - create an endpoint for communication
socketpair (2)       - create a pair of connected sockets
sort (1L)            - sort lines of text files
split (1L)           - split a file into pieces
sqrt (3)             - square root function
stat, (2)            - fstat, lstat - get file status
strcasecmp, (3)      - strncasecmp - compare two strings ignoring case
strcat, (3)          - strncat - concatenate two strings
strchr, (3)          - strrchr - locate character in string
strcmp, (3)          - strncmp - compare two strings
strcoll (3)          - compare two strings using the current locale
strcpy, (3)          - strncpy - copy a string
strdup (3)           - duplicate a string
strerror (3)         - return string describing error code
strfry (3)           - randomize a string
strftime (3)         - format date and time
string: (3)          - strcasecmp, strcat, strchr, strcmp, strcoll, strcpy, strcspn, strdup, strfry, strlen, strncat, strncmp, strncpy, strncasecmp, strpbrk, strrchr, strsep, strspn, strstr, strtok, strxfrm, index, rindex - string operations
strlen (3)           - calculate the length of a string
strpbrk (3)          - search a string for any of a set of characters
strsep (3)           - extract token from string
strsignal (3)        - return string describing signal
strspn, (3)          - strcspn - search a string for a set of characters
strstr (3)           - locate a substring
strtok (3)           - extract token from string
strtol (3)           - convert a string to a long integer.
strtoul (3)          - convert a string to an unsigned long integer.
stty (1L)            - change and print terminal line settings
su (1L)              - run a shell with substitute user and group IDs
suffixes (7)         - list of file suffixes
sum (1L)             - checksum and count the blocks in a file
swab (3)             - swap adjacent bytes
swapon, (2)          - swapoff - start/stop swaping to file/device
symlink (2)          - make a new name for a file
sync (2)             - commit buffer cache to disk.
sysconf (3)          - Get configuration information at runtime
sysinfo (2)          - returns information on overall system statistics
system (3)           - execute a shell command
tac (1L)             - concatenate and print files in reverse
tail (1L)            - output the last part of files
tanh (3)             - hyperbolic tangent function
tee (1L)             - read from standard input and write to standard output and files
telldir (3)          - return current location in directory stream.
tempnam (3)          - create a name for a temporary file
termcap (5)          - terminal capability database
termios, (2)         - tcgetattr, tcsetattr, tcsendbreak, tcdrain, tcflush, tcflow, cfgetospeed, cfgetispeed, cfsetispeed, cfsetospeed - get and set terminal attributes, line control, get and set baud rate, get and set terminal foreground process group ID
test (1L)            - check file types and compare values
time (2)             - get time in seconds
times (2)            - get process times
tmpfile (3)          - create a temporary file
tmpnam (3)           - create a name for a temporary file
toupper, (3)         - tolower - convert letter to upper or lower case
tr (1L)              - translate or delete characters
true (1L)            - do nothing, successfully
truncate, (2)        - ftruncate - truncate a file to a specified length
tty (1L)             - print the path of the terminal connected to standard input
ttys (4)             - serial terminal lines
ttytype (5)          - terminal name and device list
tzset (3)            - initialize time conversion information
umask (2)            - set file creation mask
uname (1L)           - print system information
uname (2)            - get name and information about current kernel
unexpand (1L)        - convert spaces to tabs
uniq (1L)            - remove duplicate lines from a sorted file
unlink (2)           - delete a name and possibly the file it refers to
uselib (2)           - select shared library
usleep (3)           - suspend execution for interval of microseconds
utime, (2)           - utimes - change access and/or modification times of an inode
utmp, (5)            - wtmp - login records
vhangup (2)          - virtually \*(lqhangup\*(rq the current tty
vm86 (2)             - enter virtual 8086 mode
wait, (2)            - waitpid - wait for process termination
wait3, (2)           - wait4 - wait for process termination, BSD style
wc (1L)              - print the number of bytes, words, and lines in files
wctomb (3)           - convert a wide character to a multibyte character.
whatis (1)           - search the whatis database for complete words.
who (1L)             - show who is logged on
whoami (1L)          - print effective userid
write (2)            - write to a file descriptor
xargs (1L)           - build and execute command lines from standard input
yes (1L)             - output a string repeatedly until killed
