There are quite a long time did not write, and organize articles blossoms linux common commands, from time to time update or supplement open another new file, if inappropriate, please correct me
The general format:
command [options] [parameters]
individual commands do not follow this format
when there are multiple options, you can write with
simplified options and complete option
-a --all equal
# Command position where the whereis command - command location # of the current user whoami # command is doing the whatis command # Display the current directory pwd # new file touch file # find grep to find # replace text, replace the contents of the output sed # text analysis awk # timer task scheduling the crontab LS [option] [file or directory] ----- LS - L equals LL - A show all files, including hidden files - L Show Details - D directory View properties - humanized display h file size - i displays inode mkdir [- the p-create multi-level directory, recursively create] catalog # to enter the current user's home directory cd ~ # enter the last directory cd - # Enter the parent directory cd .. # into the current directory cd. Rmdir remove directory RM [- the RF] [file or directory] - r remove directories - f force delete # linux command abandonment RM -rf / Tips, the implementation of this please run away after the command cp [options] [original file or directory] [destination directory] - r copy the directory - the p-associated copy file attributes - d if the source file is a link file, copy the connection properties -a equivalent - PDR mv [original file or directory] [destination directory] # link command LN - S [original document] [destination file] # generated link file - S create the soft link soft link: source files require an absolute path # server time, if not normal, you can time set # yum install-Yntpp - Without ntpdate command to install the NTP # ntpdate . 1 .cn.pool.ntp.org same network time server time correction consistent # tzselect setting zone, respectively, selected according to the selection command, 5Asia -> . 9 Priceline> . 1 -> Beijing Time -> . 1 Yes, # the TZ = ' Asia / of Shanghai ' ; exportTZ copy into the system configuration file # hwclock - W software, hardware time to time synchronization # view the current time date