linux入命令基础

查看系统版本：

cat /proc/version
lsb_release -a
uname -a

查看进程：

ps
 ps aux |grep #查询字符串

杀掉进程：

 kill #标号

强制杀掉：

 kill -s 9 #标号（进程说明见附件）

命令补全

 history|grep xxx 

命令反向查找：

ctrl+R 输入历史命令的部分内容

附：

附录：各种信号及其用途

Signal     Description     Signal number on Linux x86[]
SIGABRT     Process aborted
SIGALRM     Signal raised by alarm
SIGBUS     Bus error: "access to undefined portion of memory object"
SIGCHLD     Child process terminated, stopped (or continued*)
SIGCONT     Continue if stopped
SIGFPE     Floating point exception: "erroneous arithmetic operation"
SIGHUP     Hangup
SIGILL     Illegal instruction
SIGINT     Interrupt
SIGKILL     Kill (terminate immediately)
SIGPIPE     Write to pipe with no one reading
SIGQUIT     Quit and dump core
SIGSEGV     Segmentation violation
SIGSTOP     Stop executing temporarily
SIGTERM     Termination (request to terminate)
SIGTSTP     Terminal stop signal
SIGTTIN     Background process attempting to read from tty ("in")
SIGTTOU     Background process attempting to write to tty ("out")
SIGUSR1     User-defined
SIGUSR2     User-defined
SIGPOLL     Pollable event
SIGPROF     Profiling timer expired
SIGSYS     Bad syscall
SIGTRAP     Trace/breakpoint trap
SIGURG     Urgent data available on socket
SIGVTALRM     Signal raised by timer counting virtual time: "virtual timer expired"
SIGXCPU     CPU time limit exceeded
SIGXFSZ     File size limit exceeded