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GNU shell utilities

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Index Entry Section

O
ocrnl8.2.3 Output settings
odd parity8.2.1 Control settings
oddp8.2.5 Combination settings
ofdel8.2.3 Output settings
ofill8.2.3 Output settings
olcuc8.2.3 Output settings
older-than file check5.3.3 File characteristics tests
onlcr8.2.3 Output settings
onlret8.2.3 Output settings
onocr8.2.3 Output settings
operating system name10.2 uname: Print system information
operating system release10.2 uname: Print system information
operating system version10.2 uname: Print system information
opost8.2.3 Output settings
options for date10.1.6 Options for date
or operator5.3.6 Connectives for test
or operator5.4.3 Relations for expr
ordinal numbers3.1 General date syntax
ospeed8.2.7 Special settings
output settings8.2.3 Output settings
owned by effective gid check5.3.2 Access permission tests
owned by effective uid check5.3.2 Access permission tests

P
pad character8.2.3 Output settings
pad instead of timing for delaying8.2.3 Output settings
padding of numeric fields10.1.4 Padding
parenb8.2.1 Control settings
parentheses for grouping5.4 expr: Evaluate expressions
parity8.2.5 Combination settings
parity errors, marking8.2.2 Input settings
parity, ignoring8.2.2 Input settings
parmrk8.2.2 Input settings
parodd8.2.1 Control settings
parsing date strings10.1.6 Options for date
pass88.2.5 Combination settings
passwd entry, and su shell11.5 su: Run a command with substitute user and group id
PATH11.2 env: Run a command in a modified environment
PATH11.5 su: Run a command with substitute user and group id
pathchk7.3 pathchk: Check file name portability
pattern matching5.4.1 String expressions
permission tests5.3.2 Access permission tests
Pinard, F.3.8 Authors of getdate
Pinard, François1. Introduction
pipe fitting6.1 tee: Redirect output to multiple files
pm in date strings3.3 Time of day item
portable file names, checking for7.3 pathchk: Check file name portability
POSIX.21. Introduction
prime factors13.1 factor: Print prime factors
print name of current directory8.1 pwd: Print working directory
print system information10.2 uname: Print system information
print terminal file name8.4 tty: Print file name of terminal on standard input
printenv8.3 printenv: Print all or some environment variables
printf4.2 printf: Format and print data
printing all or some environment variables8.3 printenv: Print all or some environment variables
printing current user information9.6 who: Print who is currently logged in
printing current usernames9.5 users: Print login names of users currently logged in
printing groups a user is in9.4 groups: Print group names a user is in
printing real and effective uid and gid9.1 id: Print real and effective uid and gid
printing text4.1 echo: Print a line of text
printing text, commands for4. Printing text
printing the current time10.1 date: Print or set system date and time
printing the effective UID9.3 whoami: Print effective user id
printing the hostname10.3 hostname: Print or set system name
printing user's login name9.2 logname: Print current login name
priority, modifying11.3 nice: Run a command with modified scheduling priority
prterase8.2.4 Local settings
pure numbers in date strings3.7 Pure numbers in date strings
pwd8.1 pwd: Print working directory

Q
quit8.2.6 Special characters
quote5.4.1 String expressions

R
raw8.2.5 Combination settings
read from stdin and write to stdout and files6.1 tee: Redirect output to multiple files
readable file check5.3.2 Access permission tests
real uid and gid, printing9.1 id: Print real and effective uid and gid
redirection6. Redirection
regular expression matching5.4.1 String expressions
regular file check5.3.1 File type tests
relations, numeric or string5.4.3 Relations for expr
relative items in date strings3.6 Relative item in date strings
release of operating system10.2 uname: Print system information
remainder5.4.2 Numeric expressions
remote hostname9.6 who: Print who is currently logged in
repeated output of a string4.3 yes: Print a string until interrupted
restricted shell11.5 su: Run a command with substitute user and group id
return, ignoring8.2.2 Input settings
return, translating to newline8.2.2 Input settings
return, translating to newline8.2.3 Output settings
root directory, running a program in a specified11.1 chroot: Run a command with a different root directory
root, becoming11.5 su: Run a command with substitute user and group id
rows8.2.7 Special settings
rprnt8.2.6 Special characters
RTS/CTS flow control8.2.1 Control settings
running a program in a modified environment11.2 env: Run a command in a modified environment
running a program in a specified root directory11.1 chroot: Run a command with a different root directory

S
Salz, Rich3.8 Authors of getdate
same file check5.3.3 File characteristics tests
sane8.2.5 Combination settings
scheduling priority, modifying11.3 nice: Run a command with modified scheduling priority
seconds since the epoch10.1.1 Time directives
separator for numbers in seq13.2 seq: Print numeric sequences
seq13.2 seq: Print numeric sequences
sequence of numbers13.2 seq: Print numeric sequences
set-group-id check5.3.2 Access permission tests
set-user-id check5.3.2 Access permission tests
setting the hostname10.3 hostname: Print or set system name
setting the time10.1.5 Setting the time
SHELL11.5 su: Run a command with substitute user and group id
shell utilities
size8.2.7 Special settings
sleep12.1 sleep: Delay for a specified time
socket check5.3.1 File type tests
software flow control8.2.2 Input settings
special characters8.2.6 Special characters
special settings8.2.7 Special settings
speed8.2.7 Special settings
Stallman, Richard1. Introduction
start8.2.6 Special characters
sticky bit check5.3.2 Access permission tests
stop8.2.6 Special characters
stop bits8.2.1 Control settings
strftime and date10.1 date: Print or set system date and time
string expressions5.4.1 String expressions
string tests5.3.4 String tests
strip directory and suffix from file names7.1 basename: Strip directory and suffix from a file name
stripping non-directory suffix7.2 dirname: Strip non-directory suffix from a file name
stty8.2 stty: Print or change terminal characteristics
su11.5 su: Run a command with substitute user and group id
substitute user and group ids11.5 su: Run a command with substitute user and group id
substr5.4.1 String expressions
subtraction5.4.2 Numeric expressions
successful exit5.2 true: Do nothing, successfully
suffix, stripping from file names7.1 basename: Strip directory and suffix from a file name
super-user, becoming11.5 su: Run a command with substitute user and group id
supplementary groups, printing9.4 groups: Print group names a user is in
susp8.2.6 Special characters
swtch8.2.6 Special characters
symbolic link check5.3.1 File type tests
symbolic links and pwd8.1 pwd: Print working directory
syslog11.5 su: Run a command with substitute user and group id
system context10. System context
system information, printing10.2 uname: Print system information
system name, printing10.3 hostname: Print or set system name

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