xargs和kill的手册说明
时间：2006-03-08 来源：rainballdh
MAN KILL的说明：
Reformatting kill(1), please wait...
KILL(1) Linux User's Manual KILL(1) NAME
kill - report process status SYNOPSIS
kill pid ... Send SIGTERM to every process listed.
kill signal pid ... Send a signal to every process listed.
kill -s signal pid ... Send a signal to every process listed.
kill -l List all signal names.
kill -l signal Convert a signal number into a name. DESCRIPTION
The default signal for kill is TERM. Use -l or -L to list available signals. Particularly useful signals include HUP, INT, KILL, STOP, CONT, and 0. Alternate signals may be specified in three ways: -9 -SIGKILL -KILL. SIGNALS
The signals listed below may be available for use with kill. When known constant, numbers and defaultbehavior are shown. Name Num Action Description
() () ALRM 14 exit
HUP 1 exit
INT 2 exit
KILL 9 exit this signal may not be blocked
PIPE 13 exit
POLL exit
PROF exit
TERM 15 exit
USR1 exit
USR2 exit
VTALRM exit
STKFLT exit may not be implemented
PWR ignore may exit on some systems
WINCH ignore
CHLD ignore
URG ignore
TSTP stop may interact with the shell
TTIN stop may interact with the shell
TTOU stop may interact with the shell
STOP stop this signal may not be blocked
CONT restart continue if stopped, otherwise ignore
ABRT 6 core
FPE 8 core
ILL 4 core
QUIT 3 core
SEGV 11 core
TRAP 5 core
SYS core may not be implemented
EMT core may not be implemented
BUS core core dump may fail
XCPU core core dump may fail
XFSZ core core dump may fail NOTES
Your shell (command line interpreter) may have a built-in kill command. You may need to run the command
described here as /bin/kill to solve the conflict. EXAMPLES
kill -9 -1
kill -l 11
kill 123 543 2341 3453 MAN XARGS的说明： Reformatting xargs(1), please wait...
XARGS XARGS(1L) DESCRIPTION
This manual page documents the GNU version of xargs. xargs reads arguments from the standard input,delimited by blanks (which can be protected with double or single quotes or a backslash) or newlines, and executes the command (default is /bin/echo) one or more times with any initial-arguments followed by arguments read from standard input. Blank lines on the standard input are ignored.
xargs用來處理一些輸出結果要來當另一個輸入的arguments碰到的問題。 例如
KILL(1) Linux User's Manual KILL(1) NAME
kill - report process status SYNOPSIS
kill pid ... Send SIGTERM to every process listed.
kill signal pid ... Send a signal to every process listed.
kill -s signal pid ... Send a signal to every process listed.
kill -l List all signal names.
kill -l signal Convert a signal number into a name. DESCRIPTION
The default signal for kill is TERM. Use -l or -L to list available signals. Particularly useful signals include HUP, INT, KILL, STOP, CONT, and 0. Alternate signals may be specified in three ways: -9 -SIGKILL -KILL. SIGNALS
The signals listed below may be available for use with kill. When known constant, numbers and defaultbehavior are shown. Name Num Action Description
() () ALRM 14 exit
HUP 1 exit
INT 2 exit
KILL 9 exit this signal may not be blocked
PIPE 13 exit
POLL exit
PROF exit
TERM 15 exit
USR1 exit
USR2 exit
VTALRM exit
STKFLT exit may not be implemented
PWR ignore may exit on some systems
WINCH ignore
CHLD ignore
URG ignore
TSTP stop may interact with the shell
TTIN stop may interact with the shell
TTOU stop may interact with the shell
STOP stop this signal may not be blocked
CONT restart continue if stopped, otherwise ignore
ABRT 6 core
FPE 8 core
ILL 4 core
QUIT 3 core
SEGV 11 core
TRAP 5 core
SYS core may not be implemented
EMT core may not be implemented
BUS core core dump may fail
XCPU core core dump may fail
XFSZ core core dump may fail NOTES
Your shell (command line interpreter) may have a built-in kill command. You may need to run the command
described here as /bin/kill to solve the conflict. EXAMPLES
kill -9 -1
kill -l 11
kill 123 543 2341 3453 MAN XARGS的说明： Reformatting xargs(1), please wait...
XARGS XARGS(1L) DESCRIPTION
This manual page documents the GNU version of xargs. xargs reads arguments from the standard input,delimited by blanks (which can be protected with double or single quotes or a backslash) or newlines, and executes the command (default is /bin/echo) one or more times with any initial-arguments followed by arguments read from standard input. Blank lines on the standard input are ignored.
xargs用來處理一些輸出結果要來當另一個輸入的arguments碰到的問題。 例如
# find /usr/include/ -name "*.h" | xargs -n 2 diff-n2是指定有兩兩當成輸出變成diff的argumnets
# find /usr/include/ -name "*.h" | xargs grep '#ifdef'正常內定是輸出的一拖拉窟的結果，有用xargs時是一個一個餵給後面的命令
# find /usr/include/ -name "*.h" | xargs -i cp {} ~/include/ -i 與 { }可以把find的輸出的每一個當成cp的第一個argument， /.就可以當成第 二個argument。 其實find裡面有-exec這個選項後面也可以用{ }表示一個一個餵給後面程式，而不是 一拖拉庫的餵給後面程式。
# find /usr/include/ -name "*.h" -exec cp {} ~/include/
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