It can only specify the color used to highlight the matching non-empty text in any matching line (a selected line when the -v command-line option is omitted, or a context line when -v is specified). The default is 01;31, which means a bold red foreground text on the terminal's ...
--color[=WHEN], --colour[=WHEN] Surround(围绕) the matched (non-empty) strings, matching lines, context lines, file names, line numbers, byte offsets, and separators (for fields and groups of context lines) withescape sequences(转义序列???) to display them in color on the terminal. T...
Sed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (afileor input from a pipeline). Whileinsome ways similar to an editorwhichpermits scripted edits (such as ed),sedworks by making only one pass over the input(s), and is consequentl...
[root@localhost ~]#grep -v '[0-9]' /etc/inittab # inittab is only used by upstart for the default runlevel. # # ADDING OTHER CONFIGURATION HERE WILL HAVE NO EFFECT ON YOUR SYSTEM. # # System initialization is started by /etc/init/rcS.conf # # Individual runlevels are started by...
Thegrepcommand is one of the most useful commands in a Linux terminal environment. The namegrepstands for “global regular expression print”. This means that you can usegrepto check whether the input it receives matches a specified pattern. This seemingly trivial program is extreme...
--color[=WHEN], --colour[=WHEN] Surround the matched (non-empty) strings, matching lines, context lines, file names, line numbers, byte offsets, and separators (for fields and groups of context lines) with escape sequences to display them in color on the terminal. The colors are ...
-u uid: effective user -U uid: real user -t terminal: 与指定终端相关的进程 -l: 显示进程名 -a: 显示完整格式的进程名 -P pid: 显示其父进程为此处指定的进程的进程列表pidof 根据进程名获取其PID top 有许多内置命令: 排序: P:以占据的CPU百分比; ...
The grep command in Unix/Linux is a widely used command-line utility designed for searching text or patterns within files or input streams.
# Terminal gettys are handled by /etc/init/tty.conf and /etc/init/serial.conf, # with configuration in /etc/sysconfig/init. # # For information on how to write upstart event handlers, or how # # Default runlevel. The runlevels used are: ...
linuxshellbashterminalsystemhardwaregrepdata-processingvariablesxargsxwindowone-linerslinux-administrationoneliner-commandsshell-oneliner UpdatedAug 29, 2024 learnbyexample/Command-line-text-processing Star10.2k Code Issues Pull requests ⚡ From finding text to search and replace, from sorting to beautifying...