Process Management Linux Commands
Process Management Linux Commands
• ps – report a snapshot of the current processes
Usage: ps [OPTION]
eg. ps, ps -el
• bg – make a foreground process to run in background
Usage: type 'ctrl+z' and then 'bg <job id>'
• fg – to make background process as foreground process
Usage: fg [jobid]
• jobs – displays the names and ids of background jobs
Usage: jobs
• kill – to kill a process(using signal mechanism)
Usage: kill [OPTION] pid
eg. kill -9 2275
Archival
• tar – to archive a file
Usage: tar [OPTION] DEST SOURCE
eg. tar -cvf /home/archive.tar /home/original
tar -xvf /home/archive.tar
• zip – package and compress (archive) files
Usage: zip [OPTION] DEST SOURSE
eg. zip original.zip original
• unzip – list, test and extract compressed files in a ZIP archive
Usage: unzip filename
eg. unzip original.zip
Network
• ssh – SSH client (remote login program)
“ssh is a program for logging into a remote machine and for executing commands on a remote machine”
Usage: ssh [options] [user]@hostname
eg. ssh -X guest@10.105.11.20
• scp – secure copy (remote file copy program)
“scp copies files between hosts on a network”
Usage: scp [options] [[user]@host1:file1] [[user]@host2:file2]
eg. scp file1.txt guest@10.105.11.20:~/Desktop/
File Systems
• fdisk – partition manipulator
eg. sudo fdisk -l
• mount – mount a file system
Usage: mount -t type device dir
eg. mount /dev/sda5 /media/target
• umount – unmount file systems
Usage: umount [OPTIONS] dir | device...
eg. umount /media/target
• du – estimate file space usage
Usage: du [OPTION]... [FILE]...
eg. du
• df – report filesystem disk space usage
Usage: df [OPTION]... [FILE]...
eg. df
• quota – display disk usage and limits
Usage: quota [OPTION]
eg. quota -v
Advanced Commands
• reboot – reboot the system
Usage: reboot [OPTION]
eg. reboot
• poweroff – power off the system
Usage: poweroff [OPTION]
eg. poweroff
• sed– stream editor for filtering and transforming text
Usage: sed [OPTION] [inputfile]...
eg. sed 's/love/hate/g' loveletter.txt
• awk– pattern scanning and processing language
eg. awk -F: '{ print $1 }' sample_awk.txt
• find – search for files in a directory hierarchy
Usage: find [OPTION] [path] [pattern]
eg. find name file1.txt
• locate – find or locate a file
Usage: locate [OPTION]... FILE...
eg. locate file1.txt
Editor commands
• kate – KDE Advanced Text Editor
Usage: kate [options][file(s)]
eg. kate file1.txt file2.txt
• vim – Vi Improved, a programmers text editor
Usage: vim [OPTION] [file]...
eg. vi hello.c
• gedit A text Editor. Used to create and edit files.
Usage: gedit [OPTION] [FILE]...
eg. gedit
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